Kepler described the orbits of the planets as elliptical. They were thought to be circular.
Johannes Kepler was a German astronomer and mathematician who gave three laws of planetary motion.
Kepler describes the planets’ orbits as :
(B) The orbits of the planets are elliptical.
Kepler's laws of planetary motion
There are three laws of planetary motion:
Every planet’s orbit is an ellipse, with the Sun at a focus.A line joining the Sun and a planet sweeps out equal areas in equal times.The square of a planet’s orbital period is proportional to the cube of the semi-major axis of its orbit. The third law is most often used, so it's usually called Kepler’s third law (of planetary motion).Thus, Kepler's describes the planets' orbits as :(B) The planets’ orbits are elliptical.
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As the Earth rotates, the Sun will appear to move across the sky. What will happen to the marmot's shadow between late morning and sunset?
A. The shadow will shrink until it vanishes as the Sun sets.
B. The shadow will first grow larger and longer, then it will shrink until it vanishes as the Sun sets.
C. The shadow will grow much larger and longer throughout the entire day.
D. The shadow will first grow shorter and smaller, then it will become much longer and larger.
It is b because the way the sun moves
ANSWER:
The shadow will first grow larger and larger, then it will shrink until it vanishes as the sun sets, is the condition that happens when marmot’s shadow is observed during late morning and sunset.EXPLANATION:
It is the general physics which describes the light and shadow. Marmot’s statue is the fixed position, sun rise forms a point where shadows is observed. It grows lager as the sun rotates around and as it goes towards sunset, the shadow starts to vanishes slowly as the position of sun is changed during the day.Order these events from oldest (1) to most recent (4). Dense melted material sank to form the core. Earth’s gravity captured gases to form the first atmosphere. Dust, rock, and ice were pulled together by gravity. Less dense material cooled, hardened, and formed the crust.
The events put into order of their occurrence are as below:
Dust, rock, and ice were pulled together by gravity Dense melted material sank to form the core Less dense material cooled, hardened, and formed the crust Earth's gravity captured gases to form the first atmosphere Explanation:Through the process of runaway accretion, the dust particles, rock, ice, and debris were pulled together owing to the inward whirling action of these materials. The heavy and dense material automatically sank to the center and formed the core. Due to the cooling of the surface layer by the rains that poured for millions of years, the material at the top hardened and formed the crust. Finally, the gravitational power of the completely formed Earth captured and held down the gases. This eventually formed an envelope of gases around the Earth known as atmosphere.The formation of Earth in order of how it happened was:
Dust, rock, and ice were pulled together by gravity. Dense melted material sank to form the core.Less dense material cooled, hardened, and formed the crust.Earth’s gravity captured gases to form the first atmosphere.Owing to gravity, various materials in space such as dust, rock and ice, were pulled together.
The heavier and denser materials had no choice but to sink and because of the pressure exerted on them by material on top of them, they became the Earth's core.
The lighter and less dense material was then able to harden and become the crust. The gravity of the Earth then attracted various gases such as hydrogen and helium to create Earth's atmosphere.
In conclusion, Earth as it is now, was the result of several steps that made it what it is today.
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What type of gradient would a river have when it is actively eroding its stream bed?
Answer:
High gradient
Explanation:
The river bed of a stream is eroded when the local water velocity at the river is high. This occurs when the river gradient is high (meaning it slopes steeply) usualy higher up the river close to the watershed. This is different from when the river has low gradient which results in low water speeds. In this case, sediments in the river settle and erosion mostly happen on the river banks.
A river actively eroding its stream bed typically has a high or steep gradient. As the river flows away from the source, it gradually widens, the current slows down due to gradient decrease, leading to more sedimentation and reducing active erosion.
Explanation:A river that is actively eroding its stream bed typically has a high or steep gradient. In the geography of rivers and streams, the gradient refers to the incline or slope of the river's course. The higher the gradient, the faster the current of the river, leading to greater erosion of the stream bed. Streams begin from a source often situated at higher elevations in regions with steep grades. As the river flows away from its source, it picks up speed and power aiding the erosion process. However, as it widens and more tributaries unite with the main river, its gradient decreases and the current slows down. This slow-moving water leads to enhanced sedimentation, reducing the active erosion of the stream bed.
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The term air mass means _____. A. air pressure B. a large section of air C. the weight of the atmosphere D. wind blowing due to a difference in pressure
B. A large section of air
The complete definition is: a body of air with horizontally uniform temperature, humidity, and pressure.
which term indicates a group of people who live naturally and were originally in a particular place? a. hacendia b. economienda c. indigenous d. pampas
Hello
The answer is indigenous
ANSWER:
Indigenous is the term which indicates a collection of public who lives naturally and were originally in a particular place.
EXPLANATION:
Native is a general term which is used to describe the origin place of where people have lived from their birth. It is believed that there was specific number describing population of indigenous people and their population was 370 million. Indigenous people was in the huge number back then and was living all around the world, 70% of the people were from Asia.Which theory of plate movement relies on the weight of the subducting crust?
Answer:
slab-pull.
hope it's help.
Slab-pull is a theory of plate motion that relies on the crust's weight during subduction.
What is the theory of Slab-pull?Along convergent boundaries and subduction zones, denser oceanic plates sink beneath less dense continental plates, creating a force known as slab pull.
The rest of the oceanic plate is pulled along with the section that is experiencing slab pull by the gravitational force, it is the plate motion theory that considers the weight of the crust during subduction.
Therefore, The weight of the crust during subduction affects the slab-pull theory of plate motion.
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What is the opportunity cost in this scenario
The opportunity costs are fishing, going to his friend's party, and painting his apartment.
Answer:
Opportunity costs will be going to fishing and birthday celebration.
Explanation:
As in the scenario the opportunity cost is the cost that associate with losing one thing or gaining the time sent in the other event. As Harry has been working he wants to have a weekend off and plans to paint his apartment which he originally thought and gets the call form his parent of a dinner and later he was also informed by his friends of a birthday party. So Harry decides to go with his parent for a dinner in a restaurant as he also misses them as he remains busy and drops the opportunity of going to the birthday of his friend as he can meet his friends the next day, and can go fishing with them thus he has to lave one thing for another.Please Hurry!!
Which weather events can cause damage during a thunderstorm? Check all that apply.
Heavy Rain
High Waves
Storm Surge
Strong Winds
Severe Lightning
Answer:
D, E, A
Explanation:
a major change woman experienced during the post world war 1 era was that they started
working outside the home
hope this helps :)
A major change woman experienced during the post world war 1 era was that they started:
Post World War I, women started getting jobs and working. During the war, several men were called for "fighting the war" leaving the jobs they worked as vacant. As there were no other men to fulfill these positions, women were called and offered jobs in place of men. The women started working in offices and earning a living. This also "raised the status of women" and also respect for them. Women were now considered an important part of the society.At the height of its power, the Mail empire controlled the trade of which items
A. Gold and diamonds
B. Gold and salt
C. Rubber and chocolate
D. Mullet and sorghum
B) gold and salt. is the answer
because At the height of its power, the Mali Empire used to control the trade of two important natural elements such as gold and salt. The Mali Empire had routes throughout the Sahara Desert to the coasts of North Africa. Mali Empire used camels and caravans to transport the products. Other nations were marveled by the gold but also were in need of salt for the preservation of their food.
Hopes this helps!
I read something like this in history class.
Final answer:
The Mali Empire controlled the trade of gold and salt, which were the two principal goods that established their power and wealth during their height in medieval West Africa.
Explanation:
At the height of its power, the Mali Empire controlled the trade of two principal items: gold and salt. These products were highly valued commodities during the medieval period in West Africa. Gold was a symbol of wealth and was used for currency, arts, and to signify power. Salt, on the other hand, was essential for food preservation and was sometimes valued as highly as gold. The control of gold and salt trade made the Mali Empire one of the wealthiest and most powerful empires in Africa at the time.
In addition to gold and salt, other goods such as ivory, copper, and enslaved people were also part of the trans-Saharan trade. Notably, the region of today's Ghana was the source of much of the gold, which ended up in the Middle East and Europe via the trans-Saharan trade routes.
The Mali Empire's dominance in these trades allowed for a prosperous economy, which was further supported by Sundiata Keita's prudent policies and efficient administration, including taxation of the lucrative trade.
Which statements describe P waves? Check all that apply.
They travel through solids.
They travel through liquids.
They vibrate from side to side.
They move slower than S waves.
They are also called primary waves.
Answer:
A. They travel through solids.
B. They travel through liquids.
E. They are also called primary waves.
Answer:
A B E
Explanation:
did the quiz
What is the essential feature of data stored by geographical information systems?
A.
The data relates to land use.
B.
The data is linked to locations.
C.
The data relates to geographical formations.
D.
The data is linked to a specific time.
Answer:
B. The data is linked to locations.
Explanation:
A Geographic Information System(GIS) is a system designed to capture, store, manipulate, analyse, manage and present all types of geographical data. GIS describes any information system that integrates stores, edits, analyses, shares and displays geographic information for informing decision making.
A geographic data is any data that has locational attributes or characteristics.
Answer:
B.
Explanation:
Just found out on my test
what does comparative advantage have the most influence on?
a. capital
b. labor
c. resources
d. specialization
Answer:
d
Explanation:
Comparative advantage strongly influences specialization as countries and entities focus on producing goods or services where they have a relative efficiency. So, option d is correct.
Comparative advantage most strongly influences d. specialization. This economic concept dictates that a country or entity will eventually specialize in producing goods or services that it can produce relatively more efficiently than other goods or services, compared to other countries. This is informed by the different quantities or costs of the factors of production like capital and labor. For example, a country abundant in capital will have a comparative advantage in capital-intensive industries and will export products from these industries. Conversely, a country with an abundance of labor will tend to specialize and export labor-intensive goods.
Furthermore, if one factor of production becomes more plentiful and cheaper, the production that relies on that factor will increase. Thus, nations will specialize based on their comparative advantages which are often linked to income levels, human capital, and technology. This results in improvements in both global production and consumption levels. For instance, countries in the northern part of the European Union, with higher income levels and technology, specialize in high-valued goods. In contrast, the southern countries focus on low-valued goods, increasing overall welfare.
What are the ways elevation affects weather and climate?
As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further (i.e. air expands) and the temperature decreases. If the humidity is at 100 percent (because it's snowing), the temperature decreases more slowly with height.
Many factories in northern Italy use______ for energy.
- hydroelectricity
- coal
- nuclear energy
- natural gas
Final answer:
Northern Italy predominantly uses hydroelectricity for energy, reflecting a larger European commitment to renewable energy and a clean environment, while also minimizing CO2 emissions.
Explanation:
Many factories in northern Italy harness hydroelectricity for energy. This preference for hydroelectric power is due to Italy's topography, which allows for the construction of dams and the harnessing of water flow to generate electricity. Hydroelectricity is a cleaner and renewable source of energy compared to fossil fuels like coal or natural gas and does not produce undesirable by-products, unlike nuclear power.
Italy has been at the forefront of employing renewable energy sources, acknowledging their low environmental impact. The historical significance of renewable sources, such as the world's first hydroelectric plant in Appleton, Wisconsin, and Italy's own geothermal power plant built in 1911, reflect a long-standing commitment to sustainable energy practices. With the European Energy Commission actively encouraging the use of renewables like wind and solar power, it is evident that Northern Italy's use of hydroelectric power fits within a broader European strategy to exploit renewable resources.
Moreover, despite the contributions of nuclear power to the global electricity supply, its production does not result in direct CO2 emissions, which is a significant factor in the growing preference for non-fossil fuel-based energy sources.
Deregulation always leads to lower prices for the consumer ? True or false
It is decidedly false.
I live near a small community of 6000. It has 5 gas stations. The price is fixed. It does not matter where you go, you will get the same amount of gas for the same price.
Gas in our province is deregulated. That only gives the gas companies the right to collude. I'm sure they just phone each other up and ask what price they should use for today's cost.
What is the primary source of dissolved substances in the ocean?
chemical weathering of rocks on the continents is one source of elements found in sea water.
How do Earth's spheres interact with each other?
Tracing the movement of materials or energy through all four of Earth's spheres
animals and humans eat plant most living interact with the atmosphere by using carbon dioxide
South Africa has a population of blank million people who speak blank
South Africa has a population of 56.72 million people who speak Zulu
Answer:
South Africa has a population of blank 58.78 million people who speak Zulu.
Explanation:
The weather behind a cold front is dominated by _____.
mixed air mass
cold air mass
warm air mass
The answer is cold air mass
hope this helps
Answer:
Cold front is dominated by a "cold air mass".
Explanation:
Cold air mass moves to replace a warm air mass giving rise to a cold front. The different air masses do not mix as they have different temperatures and densities. This is because the warm air has less density than cold air. Clouds are the best example as the moisture in the air condenses as the warm air rises and cools. These are the masses of cool and condensed air. If we pass through a cold front, we definitely feel the cool air and dryness.HURRY IT IS TIMED Which statement describes an important role of carbon dioxide in Earth’s atmosphere? Animals breathe carbon dioxide. Plants use carbon dioxide to make food. Carbon dioxide helps animals make proteins. Carbon dioxide forms clouds that produce rain.
plants use carbon dioxide to make food
Answer:
Option (2)
Explanation:
Carbon dioxide (CO₂) gas is one of the most important green house gas present in the atmosphere. The increase in the concentration of this gas can lead to the increase in the global temperature of the earth.
This CO₂ gas is used by the plants in the presence of sunlight, water in order to produce the food that are consumed by the consumers and liberates oxygen that is essential for all life forms on earth. This process is known as the photosynthesis process.
Thus, the plants plays an important role in the carbon cycle process by taking in the carbon dioxide gas.
Hence, the correct answer is option (2).
PLEASE HELP 30 Points
1.) which country was the first European nation to participate in the slave trade?
A.) Belgium
B.) France
C.) Germany
D.) Portugal
2.) which country did dictator jean-Bedel Bokassa rule?
A.) Central African Republic
B.) The Congo
C.) Equatorial Guinea
D.) Gabon
3.) Which choice describes a food-related costom in central Africa
A.) Only women prepare food
B.) Men and women eat in separate rooms
C.) Family members are served food first
D.) Children do not eat with their parents
No. 1 is D
No. 2 is A
No. 3 is A
Answer:
the person above me is correct
Explanation:
How are winds affected by areas of high pressure? (site 3)
Answer
Hi,
Winds are affected by areas of high pressure causing;
• Clockwise circulation of the winds in the northern hemisphere
• Counterclockwise circulation of the winds south of the equator
• The Anticyclonic flow
Explanation
Wind moves from places that are colder to those that are warmer. When the distance between places of high pressure and those of low pressures is shorter, winds will blow faster. In a system that has high pressure, the pressure at the center in the highest than the surrounding areas. Winds will move from areas with high pressure to those with low pressures. When this occurs, the winds will move clockwise north of equator and anti-clockwise south of the equator. The winds in a system with high pressure move out clockwise towards the north hemisphere because of the Coriolis effects caused by rotation of the Earth.
All the Best!
What are three solutions the Japanese have come up with to help deal with their dense population?
Japanese leaders and Japanese people generally are well aware of their nation’s demographic challenges. The population has begun to decline and the proportion of people of working age continues to decrease. The birthrate is well below replacement level. Japanese people are aging fast while life expectancy continues to increase. The implications for the Japanese economy and for Japan’s position in the world should be obvious.
maybe spread the peple out (distribution) and the goverment could buy places for people sto stay and maybe add more hotels and appartments so many people can stay at once at one place i hope this is correct
What resulted from the planting of crops in the beginnings of human society?
Economic reforms
Political debates
Economic stability
Political stability
The answer is Economic stability. Hope that helps!
Answer:
Economic stability
Explanation:
The result of the planting of the crops at the beginning of the society resulted in the increase of the economic stability in the worldwide and nations around the world all released this and thus lead to the growth in the rate of the planned societies and helped various developing nations through the agricultural systems.In the 1980s the northeast region of Brazil received almost no precipitation for how many years?
Answer:
3 years
Explanation:
Even there was a dry year in 1979, the area received almost the normal amount of rain in 1980.
In 1981 however, the year was quite dry, with rainfalls in drop of almost 20%, that began one of the most important drought in the history of Brazil.
In 1982, rainfalls were down by 30% and it got even worse.
In 1983, the rainfalls were down by about 35%, essentially destroying all the agriculture system that had been severely damaged by the two previous years.
In 1984, rain came back a bit higher than its traditional levels, and in 1985, the area was flooded by rain surpassing the average by 60%!
Which country took control of most of Southeast Asia during World War II?
A. Japan
B. China
C. France
D. United States
A. Japan
The war in the Pacific ended when Japan surrendered on September 2, 1945.
Answer is A. Japan
World War II started in 1939 when Germany invaded Poland. Great Britain and France responded by declaring war on Germany. The war in Europe ended with Germany's surrender on May 7, 1945. The war in the Pacific ended when Japan surrendered on September 2, 1945.
In the 2010s, which of the following countries became MORE democratic?
A. Thailand
B. Brunei
C. Vietnam
D. Myanmar
mynamr trust me its that and im just putting random letters because it doesnt sedn without me writing more then 20 charchters
Answer:
Out of the given options, Myanmar is the country that became more democratic in the 2010s.
Explanation:
A new constitution has been implemented in Myanmar since 2008. General elections have been held twice since the implementation of its new constitution and the present government in Myanmar has been recognized as a 'hybrid regime' by the economist intelligence unit. It is believed that the government in Myanmar is a peaceful blend of military and democratic governance.What does it mean to adapt to a new climate? A. to leave one climate and travel to another B. to change behaviors in order to meet a climate’s challenges C. to change from one species to another because of the climate D. to go a long period of time without rain in a climate Please select the best answer from the choices provided A B C D
Answer:
Answer is B
Explanation:
Because you have to change behaviors to meet the climate
ANSWER:
Adapt to a new climate means that "to change behaviours in order to meet a climate's challenges".
EXPLANATION:
Adapting to a climate means to bring about changes in the behaviour or the lifestyle that one follows. For instance, when a person has to adapt to very cold climate, a change in the lifestyle or behaviouir would mean to wear woolen clothes, have more or hot things and stay indoors would help the person adapt to the cold climate. A change in the behaviour is the best way to ensure that the climatic challenges are faced and one can survive in extreme climatic conditions.If a point P (–2, 1) is reflected across the line x = –1, what are the coordinates of its reflection image?
Answer
Hi,
The cordinates of reflection image are (0,1)
Explanation
First draw the cartesian plane with x vales ranging from 4 to -4 and y values ranging from 4 to -4
The draw the line x=-1 which is a straight line passing through point (-1,0), (-1,-3) and (-1,3)
Plot the point P(-2,1), where its reflection on the line x= -1 will be 1 unit to the right of the line. i.e the point will be on the y-axis