Answer: the evidence that supports the formation of a single elliptical galaxy by collision of spiral galaxies are:
A) at the core of dense clutters of galaxies, elliptical galaxies are populous in the galaxy populations.
B) observations of some elliptical galaxies with stars and gas clouds in their cores that orbit differently from the other stars in the galaxy.
C) observations of shells of stars revolving around elliptical galaxies that may have formed from stars that have been stripped of from smaller galaxies.
D) observations that show that at the center of dense clusters, giant elliptical galaxies may have grown by consuming other galaxies.
Explanation:
Elliptical galaxies contain older stars and less gas. The universe is a violent place, and collisions between galaxies are frequent, hence when two spirals collide, they lose their familiar shape, morphing into the less-structured elliptical galaxies.
Answer:
These spiral galaxies after the collision fall into clusters, lose speed, change its morphology and becomes an elliptical galaxy all that confirmed by the fact that each "disk" of the colliding galaxy can be destroyed like that.
Explanation:
The harassment of two spiral galaxies may cause the formation of a single elliptical one. The pieces of evidence were found by simulation, at the beginning of the 1980s by Farouki and Shapiro work. Later confirmed in 1996-8 by Moore et alii. The proximity of these massive galaxies causes loss of amounts, turning the shape of that galaxy, from a spiral to an ellipse.
In short, these spiral galaxies after the collision fall into clusters, lose speed, change its morphology and becomes an elliptical galaxy all that confirmed by the fact that each "disk" of the colliding galaxy can be destroyed like that.
In Cruzeiro do Sul (Southern Cross), Cildo Meireles raises awareness about the role of Southern Hemisphere countries in the production of natural resources by __________.
Cildo Meireles raises awareness about the role of Southern Hemisphere countries in the production of natural resources through his artwork.
Explanation:In Cildo Meireles' artwork Cruzeiro do Sul (Southern Cross), he raises awareness about the role of Southern Hemisphere countries in the production of natural resources by using art as a medium of communication.
Meireles uses different materials and techniques to convey his message, such as the representation of a cross made out of mineral rocks found in different countries of the Southern Hemisphere.
This artwork aims to highlight the significance of these countries in the global production and exploitation of natural resources.
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Most of the heat for contact metamorphism is supplied by _____. A. radioactive elements B. temperatures deep within Earth C. frictional heating along a fault D. a nearby mass of magma
Answer:
The correct response is Option D. A nearby mass of magma
Explanation:
In geology metamorphism refers to the changes in composition or assemblage that happen when rocks are subjected to new conditions, like new temperatures or pressures. This can create a change in texture or density or composition from what was evident in the rock deposit previously. One kind of metamorphism is called contact metamorphism which results when a rock that is in its solid state, for example, comes into contact with hotter, more liquid magma in close proximity. This causes changes to the original rock as it is heated by the contact.
Answer:
D= nearby mass of magma
Explanation:
Answer for gradpoint
Explain why it is selfish and short-sighted not to think about the needs of future generations.
Answer:
They will live with the consequences of our actions
Explanation:
What is the distinctive type of agriculture practiced in the population concentrations of East and South Asia, and how does this relate to concerns over the world's growing population and environmental problems?
Answer:
Plantation agriculture.
Explanation:
The parts of the east and southeast Asia lies in the region of china and that of Indian and the islands of the Indonesia these communities cultivate and domesticate crops that have commercial value and the crops include the paddy cultivation and the cultivation of sugarcane and other plantation crops. Thus this system of the agriculture in the south and east Asia is that of the Japanese know or the cultivation of the rice and the millets as these cities are the most populated nations in Asia and thus have rice as the major crops that are grown on a large scale to meet the growing demands and the needs of the growing population. But various problems are related to this type pf the cultivation as the environmental problems of the agricultural runoff and the runoff system that is influenced by the presence of the pesticides and the other toxic chemicals that harm and degrade the quality and the quantity of the soil and the water system and thus this impacts the environment to a greater extent.Final answer:
Intensive subsistence tillage in South and East Asia is related to population growth concerns, especially in regions with abundant water. Despite agricultural advances like the Green Revolution, high rates of child malnutrition persist. Rice cultivation dominates in areas with ample water, while wheat production is common in drier regions.
Explanation:
Intensive subsistence tillage is the distinctive type of agriculture practiced in the population concentrations of East and South Asia. This type of agriculture relates to concerns over the world's growing population and environmental problems as it employs millions, feeds billions, and dominates in regions with long growing seasons and abundant water, such as parts of China, India, and southeast Asia.
Population growth remains a major concern in South Asia, challenging economic systems and depleting natural resources. Despite advances like the Green Revolution, high rates of child malnutrition persist, especially in India.
Agriculture in South and East Asia is influenced by geography, with rice cultivation dominant in areas with long growing seasons and abundant water while wheat production is common in drier regions like parts of India and China.
Arrange the following features of the ocean (Continental shelf, Island arc, Oceanic ridge, and Oceanic trench) in order from shallowest to deepest.
Answer:
Island arc, Continental shelf, Oceanic ridge, Oceanic trench
Explanation:
The island arcs are an active chain of volcanoes such as the of fire. They originate from the oceanic crust and are in the form of a curve shape. The continental shelf is part of the continent that is submerged in the relatively shallow waters and is also called as sea shelf and these shelves were exposed during the periods of glacial erosion. The mid-oceanic ridge is a system of the mountain chains that are formed under the seafloor and typically are found at a depth of about 2,600 meters. And the oceanic trenches are the deepest parts of the oceanic floor.Which of the following would be considered a reason that a Jewish population might have supported the creation of Israel by the Mid-1940s?
a. a Palestinian agreement to grant territory for the proposed state
b. Anti-Semitism in Europe, as revealed in the horrors of the Holocaust
c. an Egyptian resolution in support of the establishment of a Jewish State
d. the disappearance of the Zionist movement
Reason that a Jewish population might have supported the creation of Israel by the Mid 1940s is Antisemitism in Europe as revealed in the horrors of the holocaust.
Explanation:
After the end of world war the allied powers won the battle and Britain and other European countries asked Germany to sign the treaty of Versailles which was a forceful document of peace. The clause of the treaty intended Germany to solely bear responsible for instigating the bloody and violent world war and also charged huge war reparation charges which shook the economic stability of Germany.
Nazism founded by Hitler could not bear the pressure politics as the treaty was such a disgrace to Germans. Hence, Under the regime of Hitler, many Jews who followed Judaism were either forced to christian conversion or they were exterminated in mobile killing units and concentration camps. More than four millions of Jews were killed due to huge hatred towards the European originated Jews. Antisemitism and cases based on this racial disparity is still prevalent today.
At most times, Mars appears to move __________ relative to the stars. The exceptions are during its periods of apparent retrograde motion, when Mars appears to move __________ relative to the stars.
Answer:
to the left (eastward), to the right (westward)
Explanation:
The apartment retrograde motion is the motion of the planet is directly opposite to that of the motion within its system. While the direct motion is also called as the prograde motion that is the same direction of the motion. And from the earth's we look to the sky the planet travels from the east to the west direction of motion and in a similar since the inner planets as the venus and the mercury moves in the retrograde motion.Final answer:
Mars typically moves eastward relative to the stars, but during retrograde motion, it appears to move westward due to the relative positions and motions of Earth and Mars in their orbits around the sun.
Explanation:
At most times, Mars appears to move eastward relative to the stars. The exceptions are during its periods of apparent retrograde motion, when Mars appears to move westward relative to the stars. This phenomenon occurs because Earth and Mars revolve around the sun at different rates, creating the illusion that Mars is tracing a looped path across the background of distant stars. When Earth overtakes Mars in their respective orbits, Mars appears to drift backward, or move west in the sky, from positions B to D in a given diagram such as Figure 2.13. However, as Earth continues along its orbit, reaching position E, Mars resumes its apparent eastward movement.
Environmental determinism relies on the idea that
A. cultural development results in the alteration of the natural environment.
B. social development is determined by the physical environment.
C. cultures influence their natural surroundings, just as the natural surroundings influence culture.
D. sustainability is determined by three pillars: environment, economy, and society.
E. culture is determined by social conditions, despite limitations set by the natural environment
Answer:B
Explanation: Environmental Determinism is the theory that the physical factors in our environment play important roles in the social and cultural development of human. Components like climate, soil, rainfall all determines the social component of a society.
For example, a person living on an island will be used to isolation than an individual living in the city.
We can learn a lot about the properties of a star by studying its spectrum. All of the following statements are true except one. Which one?a. We can look at Doppler shifts of spectral lines to determine the star's speed toward or away from us.
b. The peak of the star's thermal emission tells us its temperature: Hotter stars peak at shorter (bluer) wavelengths.
c. The total amount of light in the spectrum tells us the star's radius.
d. We can identify chemical elements present in the star by recognizing patterns of spectral lines that correspond to particular chemicals.
Answer: C • (The total amount of light in the spectrum tells us the star's radius. ) Is false.
Explanation:
The correct statement in the given options is: c. The total amount of light in the spectrum tells us the star's radius.
Explanation:The correct statement in the given options is:
c. The total amount of light in the spectrum tells us the star's radius.
We cannot determine a star's radius by studying its spectrum. However, the other statements are true.
a. We can look at Doppler shifts of spectral lines to determine the star's speed toward or away from us.
b. The peak of the star's thermal emission tells us its temperature: Hotter stars peak at shorter (bluer) wavelengths.
d. We can identify chemical elements present in the star by recognizing patterns of spectral lines that correspond to particular chemicals.
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Which principle suggests that all of Earth's geological features and history can be explained by processes identical to ones acting today?
Answer:
Uniformitarianism
Explanation:
Uniformitarianism , in geology is the doctrine suggesting that Earth’s geologic processes acted in the same manner and with essentially the same intensity in the past as they do in the present and that such uniformity is sufficient to account for all geologic change. This principle is fundamental to geologic thinking and underlies the whole development of the science of geology.
Answer: Uniformitarianism
Explanation: Uniformitarianism , in geology is the doctrine suggesting that Earth’s geologic processes acted in the same manner and with essentially the same intensity in the past as they do in the present and that such uniformity is sufficient to account for all geologic change. This principle is fundamental to geologic thinking and underlies the whole development of the science of geology.
During an El Niño–Southern Oscillation event, which of the following best describes conditions in the eastern part of the tropical Pacific Ocean (e.g., near Peru and Ecuador)?Sea Surface Temperature - Rainfalla.Low - Lowb.Low - Highc.High - Lowd.High - Highe.High - Normal
Answer:
c. High - Low
Explanation:
The Walker circulation is created by the pressure gradient force that is responsible for the high pressure in the eastern part of the pacific ocean and has a low pressure over the Indonesia and the weakening and the reversal is the deep cold water, and thus this El Nino causes the surface to reach above the average temperatures.On a typical day, the point of highest relative humidity is associated witha. solar noon. b. dusk. c. the time of the highest temperature. d. the time of the lowest temperature.
Answer:
the time of the lowest temperature.
Explanation:
Relative humidity simply talks about the ratio of the quantity of water the air contains at any given time, to the highest quantity of water the air could ever have. So when the water vapor content in air remains constant while the temperature falls, then the relative humidity tends to increase. This phenomenon usually takes place in the morning when the sun is yet to come out and the temperature is usually cooler. When sun peaks, afternoon sets in, the relative humidity then reduces.
The point of highest relative humidity is typically associated with the time of the lowest temperature. It happens because as temperature lowers, the air can hold less moisture, thus increasing relative humidity, assuming the amount of moisture in the atmosphere remains constant.
Explanation:The point of highest relative humidity is typically associated with the time of the lowest temperature, so the correct answer is d. Relative humidity refers to the amount of moisture the air is holding in comparison to the maximum amount of moisture that it can hold at that specific temperature. As temperature lowers in the atmosphere, it can hold less moisture, thus making the relative humidity higher, given that the amount of moisture in the atmosphere remains the same.
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Which aspects of seasonality are caused by either revolution or rotation? Select the three that apply.
a.duration of the seasons
b.daily pattern of days and nights
c.shortening of the year perpetual daylight at equator length of a tropical year
Answer:
a, b, e
Explanation:
Correct options are in bold
a. duration of the seasons b. daily pattern of days and nights c.shortening of the year d. perpetual daylight at equator e. length of a tropical yearWhich of the following layers of the atmosphere contains charged gas molecules that glow and produce light when hit by solar energy, leading to glowing gases such as the northern lights, found over 90 kilometers above Earth's surface?
A) Thermosphere.B) Mesosphere.C) Stratosphere.D) Troposphere.
Mesosphere layers of the atmosphere contain charged gas molecules that glow and produce light when hit by solar energy. Thus, option B is correct.
What is an Earth?The third planet from the sun, Earth is a planet in the solar system where life is known to exist. It is home to both living and non-living organisms. It has one moon and revolves around the sun.
The coolest part of the Upper orbit is called the mesosphere. This stratum of the environment seems to be where meteorites break into microscopic dust particles. The abundance of water vapor, the transfer of pollutants, and climate patterns are all significantly affected by the mesosphere.
Whenever solar radiation strikes electrified oxygen components within mesosphere levels of the atmosphere, they burn and generate electricity, creating illuminating gases Therefore, option B is the correct option.
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Final answer:
The A) thermosphere is the layer of the atmosphere that contains charged gas molecules that glow and produce light when hit by solar energy, leading to glowing gases such as the northern lights.
Explanation:
The layer of the atmosphere that contains charged gas molecules that glow and produce light when hit by solar energy, leading to glowing gases such as the northern lights, is the thermosphere. The thermosphere starts just above the mesosphere and extends to 600 kilometers (372 miles) high. It is in this layer that auroras occur due to the interaction between solar energy and charged particles in the ionosphere.
Thus, it is a layer of Earth's atmosphere characterized by its high temperatures and low density. The thermosphere is where solar activity strongly influences the temperature, causing it to rise significantly. Electrified oxygen components in the mesosphere layers of the atmosphere burn and produce electricity whenever solar radiation touches them, releasing gases that are visible to the na-ked eye.
What two formations can a divergent plate boundary create?
Answer:
RIFT VALLEYS AND MID-OCEANIC RIDGES.
Explanation: DIVERGENT PLATE BOUNDARIES occurs when two TECTONIC LAYERS OR PLATES move away from each other creating a low level area. Divergent plate boundaries form RIFT VALLEYS AND MID-OCEANIC RIDGES.
RIFT VALLEYS are linear valleys lying between high lands,created as a result of Divergent Tectonic plates movements,it occurs mainly on mountains or highlands.
MID-OCEANIC RIDGES are formed by Tectonic plates movements occuring under the OCEANS.
The large cluster of population in South Asia is focused on the ______ River Basin, currently under threat from pollution and receding glaciers.
Answer:
Ganges river basin
Explanation:
Ganges river -
It is one of the popular river in the south asia , which originates from the mountain Himalayas , and flows entirely in the country India and then terminates at the Bay of Bengal .
The major threat to this river is the problem of pollution.
In Indian , the river is considered to be of huge spiritual importance , and hence , a lot of rituals are performed in the river , which in turns make the river dirty and polluted.
Hence , from the given information of the question,
The correct term is Ganges river basin.
Indus and ganga river basin is the largest river basin in South Asia. India has the second-largest concentration of people more than 1/4th.
Most of the people's lives depend on agriculture and they thus concentrate on the plain regions. The region is also known for pollution and receding glaciers. Hence South Asia is focused on the Ganga river basin.Learn more about the large cluster of the population in South Asia is focused.
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Compare the achievements of the Knights of Labor and the American Federation of Labor. What common ground do they share? What factors help explain their differences?
Answer:
They both wanted to organised labor and Knights were more open as compared to AFL and followed radicalism .
Explanation:
The knights of labor were a movement that tended to organized both the skilled and the unskilled laborers and were more radical than the American Federation of the laborers. These knights were more open to there membership and had open doors for the women and other people of color and thus they attracted many professional agitators who wanted to use them as the means of violence.The prime meridian passes through from the following choices. A) Rome, Italy. B) Athens, Greece. C) Greenwich, England. D) Jakarta, Indonesia.
Final answer:
The prime meridian passes through Greenwich, England, and serves as the global reference point for 0° longitude, as established in 1884.
Explanation:
The prime meridian is an imaginary line that defines the 0° longitude and is crucial for establishing time zones and geographical coordinates around the world. This meridian passes through the Royal Observatory in Greenwich, England, a suburb of London. The establishment of the prime meridian in Greenwich was decided upon through international agreement in 1884, making it the universal reference point for longitude. Thus, when given the options A) Rome, Italy, B) Athens, Greece, C) Greenwich, England, and D) Jakarta, Indonesia, the correct answer is C) Greenwich, England.
Scientists discover that the atmosphere of both the Earth and Mars contains nitrogen. They then conclude that the atmospheres of all planets must contain nitrogen. This is an example of:_______.
Answer:
Ammonia
Explanation:
As earth consists of the 78% of the nitrogen that is an essential greenhouse gas acts as a layer that of the mars is about the 2.5% while that of the other gases planet has most of the carbon content and has hydrogen and helium gases. This also will depend on the composition of the planet and its impact by the comets and other objects in the outer space.Which of the following are types of changes that can happen in the rock cycle? a. igneous to sedimentary b. metamorphic to sedimentary c. igneous to metamorphic d. sedimentary to metamorphic e. metamorphic to metamorphic
the following are types of changes that can happen in the rock cycle:
- igneous to sedimentary
- igneous to metamorphic
- sedimentary to metamorphic
- metamorphic to sedimentary
The types of changes that can happen in the rock cycle are that of the igneous to sedimentary, igneous to metamorphic, sedimentary to metamorphic, and metamorphic to sedimentary. Thus, options A, B, C and D are correct.
What is the rock cycle?The rock cycle is a fundamental geological concept that describes transitions through geologic time between the three major rock types: sedimentary, metamorphic, and igneous.
When a rock type is forced out of its equilibrium conditions, it changes. The rock cycle is an important aspect of our dynamic Earth because it allows rocks to change from one type of rock to another depending on their location and circumstances.
The rock cycle describes about the three types of rocks are related to one another, and how processes shift from one type to another over time.
Therefore, options A, B, C and D are correct.
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The 49th parallel separating Canada from the United States across much of western North America is classified as what type of boundary?
A) artificial or geometric
B) ethnographic
C) natural
D) subsequent
Answer:
Option (A)
Explanation:
The 49th parallel usually refers to the line of 49° latitude in the northern hemisphere. The main significance of this line is that it demarcates the boundary between the U.S and Canada. The word 'parallel' that is used here is an imaginary line that depicts the degrees of latitude surrounding the earth is parallel to the line of the equator. This line goes through places such as Asia, Europe, North America, the Pacific Ocean, and the Atlantic Ocean.
This line of 49th parallel is classified as an artificial or a geometric boundary.
Thus, the correct answer is option (A).
. Choose the answer choice that BEST completes the following sentence.
The comets in the Oort Cloud may take up to __________________ Earth years to orbit the Sun just once.
answer choices
20 million Earth years
30 million Earth years
10 million Earth years
5 million Earth years
Answer:
20 million Earth years
Explanation:
The Oort cloud is a throptoticaly cloud that is of predominantly of the icy planetesimals and is proposed around the sun ranging for the 20,000 to 200,000 au and is situated in the shape of a disk cloud and the outer Ooty cod is bound by a loosely bound a solar system and is easily affected by the gravitational pull both of the passing stars and the milky way, and thus based on its orbit the short period of comets are in a scattered disk that originated from this disk.If the plane of the Moon's orbit were the same as the ecliptic (the plane of Earth's orbit), we would have ____ eclipses (counting both solar and lunar) each month.
If the Moon's orbital plane were the same as the ecliptic, we would have two eclipses each month - one solar and one lunar. In reality, the inclination of the Moon's orbit prevents this, leading to approximately two eclipses happening during 'eclipse seasons' every six months.
If the plane of the Moon's orbit were the same as the ecliptic, we would have two eclipses each month. This is because under these circumstances, every new moon would align with the Sun and the Earth to cause a solar eclipse, and every full moon would align with the Earth and the Sun to cause a lunar eclipse. However, in reality, the Moon's orbit is inclined about 5° to the ecliptic, which prevents this monthly occurrence of eclipses. Instead, we have 'eclipse seasons' when the paths cross, typically resulting in two eclipse opportunities (one solar and one lunar) roughly every six months.
historically, iceland had only one period of human migration. the country has never been invaded and possesses a common culture and language. as a result, iceland is regarded as a good example of which of the following concepts?
a- absolute monarchy
b- theocracy
c- constitutional monarchy
d- nation-state
e- exclave
Answer:
D
Explanation:
A nation-state is that whose citizens are united by common language, culture,common descent and tradition.
Answer:
Correct answer is (d) Iceland is Nation-state
Explanation:
The great majority of citizens of Iceland possesses same culture and mutually beneficial to each other, they also protect their culture. The homogeneity of Icelanders make them a Nation-state.
Describe how the idea of archaeological context affects how an archaeological site is excavated. What must archaeologists do in order to preserve context?
Answer:
Place where an artifact is found is known as archaeological context
Explanation:
The idea of archaeological context is concerned with the site of artifact presence. The soil, the site type, the layer the artifact was found are all components of the context. To preserve this context, the site must be monitored and put under consistent surveillance. The records consisting of artifacts, biofacts, architecture and cultural information must be registered to detail for future access and assessment from time to time. The cultural and site information must be protected from loss and deterioration. Protective shelters around site where artifacts are found are needed to preserve such artifacts. Reconstruction and reburial of artifacts found may also be needed to preserve them.
Hamlet uses a metaphor to describe the world as a garden. What is this Garden like? What does this tell you about he sees the world?
Hamlet's metaphor of the world as an 'unweeded garden' illustrates his view of the world as corrupt and filled with evil. This metaphor also indicates his cynical and pessimistic outlook on life, deeply affected by his father's death and mother's hasty remarriage.
Explanation:In Shakespeare's Hamlet, Hamlet uses a metaphor to describe the world as an unweeded garden that is rotting and full of overgrown, noxious plants. The metaphor demonstrates Hamlet's perception of the world as a place that is corrupt and overrun with evil. For instance, consider the line where Hamlet states, '‘tis an unweeded garden that grows to seed; things rank and gross in nature possess it merely' (I.ii.139–141). This line reveals Hamlet's inner feelings of despair and disillusionment after his father's death and his mother's hasty remarriage. The corruption in the royal court (his mother's infidelity and his uncle's illegitimate seize of the throne) mirrors the unchecked, vile growth in the metaphorical garden.
This metaphor also tells us about Hamlet's pessimistic and cynical view of the world. His deeply rooted melancholy, evident in viewing the earth as a 'sterile promontory'(II.ii.303), serves as a critique of the world around him. He questions the meaning of life and the moral integrity of mankind, which contributes to his tragic destiny.
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Which map projection class has longitude lines appearing as straight, equally spaced parallel lines and latitude lines appearing as parallel lines that intersect the meridians at right angles?
Answer:
Cylindrical projection
Explanation:
Characterics of cylindrical map projection
Lines of latitude and longitude are parallel intersecting at 90 degrees
Meridians are equidistant
Forms a rectangular map
Scale along the equator or standard parallels (lines of tangency) is true
Can have the properites of equidistance, conformality or equal area
The poles are represented as lines
The Cylindrical Equidistant projection is the map projection class that has straight and equally spaced longitude lines and intersecting parallel lines at right angles.
Explanation:The map projection class that has longitude lines appearing as straight, equally spaced parallel lines and latitude lines appearing as parallel lines that intersect the meridians at right angles is the Cylindrical Equidistant projection. In this projection, the meridians are represented as straight lines that are evenly spaced, while the parallels form parallel lines that intersect the meridians at 90-degree angles.
Many primitive cultures have a model of the Sun's motion in which the Sun passes underneath a flat earth. This model predicts A nothing at all about how the Sun will appear. B that everyone on Earth sees the Sun rise and set each day. C that people in the far North or South might not see the Sun for many days.?
Answer:
B that everyone on Earth sees the Sun rise and set each day.
Explanation:
B that everyone on Earth sees the Sun rise and set each day.
Suppose last night was clear and calm. Tonight’s forecast indicates that low clouds will be present. From this, you would conclude that tonight's minimum temperature will be:A. Higher than last night's minimum temperature
B. Lower than last night's minimum temperature
C. The same as last night's minimum temperature
D. Above freezing
Answer:
you would conclude that tonight's minimum temperature will be A. higher than last night's minimum temperature
After analyzing the scenario, we can conclude that tonight's minimum temperature will be higher than last night's minimum temperature. Thus, option 'A' is the correct option.
What is weather forecasting?Utilizing science and technology to forecast the atmospheric conditions at a certain area and time is known as weather forecasting. Weather forecasting has been done sporadically for millennia and formally since the 19th century. Meteorology is used to predict how the atmosphere will change at a certain location while quantitative data on the status of the atmosphere, land, and ocean are gathered to provide weather forecasts.
Weather forecasting currently relies on computer-based models that take numerous atmospheric parameters into consideration, as opposed to the human calculations of the past that were mostly focused on changes in barometric pressure, the present weather, and the state of the sky or cloud cover. To choose the optimal prediction model on which to base the forecast, which requires pattern recognition abilities, human input is still necessary.
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You and Earth attract each other gravitationally, so you should also be subject to a tidal force resulting from the difference between the gravitational attraction felt by your feet and that felt by your head (at least when you are standing).
Answer:
Though the tidal force is felt by human,but it is usually very small because our masses are small compared to that of the earth.
Explanation:
From Newton law of gravitation.
Force is directly proportional to the product of masses,hence a reduction in masses leads to a reduction in force
We are subject to a small tidal force due to Earth's gravity, but the effect is minuscule because the distance between our head and feet is so small compared to the distance to Earth's center. Tidal forces become significant near larger celestial bodies like the Moon or planets, for instance, the ocean tides on Earth due to the Moon's gravity.
Explanation:Yes, we are indeed subject to a small tidal force due to Earth's gravity, but the effect is minuscule and unnoticeable in our daily lives. This phenomenon is a result of the difference in gravitational pull between the parts of an object closer to the mass exerting the force (in this case, Earth) and those farther away. However, in the case of a human, the height difference - the distance between your head and your feet - is so small compared to the distance to the center of the Earth, that this tidal force is practically insignificant.
For you to noticeably experience such a tidal force, you'd need to be near a much larger mass. Objects in close proximity to massive celestial bodies like the Moon or various planets can experience significant tidal forces. For example, the Earth's oceans are subject to notable tidal forces due to the Moon's gravity, resulting in the observed ocean tides.
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