the most harmful effects of DDT is nerve damage. this results in hair loss, muscle atrophy, disorientation, cancer.
Final answer:
DDT is known to cause environmental harm through bio magnification, affecting higher-level organisms like birds with fragile eggshells and leading to declines in their populations. Classified as a Persistent Organic Pollutant, DDT accumulates in living tissues, potentially causing infertility and cancer. Its detrimental impacts eventually led to its ban in the 1970s, with subsequent recoveries in affected bird populations.
Explanation:
The use of DDT has been associated with numerous harmful environmental and ecological effects, particularly on wildlife. Bio magnification is a significant issue with DDT, as this chemical distributes up the food chain, affecting various species, especially those at higher trophic levels. Notably, birds of prey such as eagles, falcons, and pelicans have been severely impacted, as their eggshells became too thin and fragile due to the accumulation of DDT, leading to decreased populations due to egg breakage and failure to reproduce.
Furthermore, the persistence of DDT in the environment, a characteristic that made it an effective pesticide, led to its classification as a Persistent Organic Pollutant (POP). POPs are known for their long-standing presence in the environment, with the ability to accumulate in the tissues of living organisms, potentially causing infertility and an increase in the prevalence of certain cancers. The extensive use of DDT also resulted in ecological imbalances and resistance among malaria parasites and agricultural pests, diminishing its effectiveness and necessitating alternatives.
After recognizing its detrimental effects, the use of DDT was banned in the United States in the 1970s. This led to the recovery of various bird populations. However, the negative legacy of DDT as a pollutant still serves as a cautionary tale about the need for careful consideration and environmental impact assessment of pesticides and other industrial chemicals before widespread use.
This image shows a volcanic eruption in Hawaii with lava flowing into the sea.
Which statements best describe this eruption? Check all that apply.
Its magma is high in silica.
Its magma has low viscosity.
Its lava came from a quiet eruption.
Its lava sets fire to everything in its path.
Its lava came from an explosive eruption.
Answer:
- Its magma has low viscosity
- Its lava came from a quiet eruption
- Its lava sets fire to everything in its path
Explanation:
From this image, we can see that the volcano had an eruption from which it produced lava flows that managed to reach the sea. Since the volcano managed to release such large amount of lava, and the lava managed to pass several km to reach the sea, it means that the magma had low viscosity, thus it is low on silica content. Also, the low viscosity of the magma means that the gases have not been trapped in it, so the eruption of the volcano was a quite one. The lava is very hot, so it manages to set on fire everything on it path, though it immediately moves over the thing it set on fire.
Answer:
(B) Its magma has low viscosity
(C) Its lava came from a quiet eruption
(D) Its lava sets fire to everything in its path
Explanation:
Which continent has the longest mountain range?
South America, which is the home of the Andes mountain range.
What country is shaped like an elephants head?
Answer:
india
Explanation:
Air masses are identified on the basis of temperature and?
A) type of precipitation
B) wind velocity
C) moisture content
D) atmospheric transparency
moisture content
Answer is C)
Final answer:
Air masses are classified by temperature and moisture content; the correct answer is C) moisture content. They are designated as 'm' for maritime and 'c' for continental based on their humidity, and by other symbols for temperature origins, such as 'A' for arctic or 'T' for tropical.
Explanation:
Air masses are identified on the basis of temperature and moisture content. Moisture content is critical because air masses absorb moisture when they are over bodies of water, thus becoming more humid, and they lose moisture when they are over land, leading to drier conditions. The temperature of an air mass is influenced by its latitude of origin - polar regions produce colder air masses, while tropical regions generate warmer ones.
The correct answer to the question is thus C) moisture content, as air masses are broadly characterized by both their temperature and their moisture levels. These characteristics are integral to the classification of air masses, as they determine the type of weather they will bring to an area. The letter code system designates wet air masses as 'm' for maritime and dry air masses as 'c' for continental, along with other temperature-based symbols like 'A' for arctic and 'T' for tropical.
Changes in both temperature and moisture content as air masses move from their source regions can lead to modifications in the weather patterns of the areas they move over. Understanding these properties is essential for predicting weather conditions and climate variations.
A principal methodology governing geographic inquiry A)is behavioral analysis. B) involves spatial analysis. C)uses chronological organization. D)is field work
Answer:
A principal methodology governing geographic inquiry involves spatial analysis. B)
A principal methodology governing geographic inquiry is involving spatial analysis. Thus, option (b) is correct.
Geographic inquiry entails the methodical examination of geographical trends, links, and correlations between various geographic components.
Its main goals are to comprehend how phenomena are distributed throughout space, analyse how features are organized spatially, and investigate how spatial elements affect both natural and human systems.
In order to analyse and interpret geographic data, such as maps, satellite images, and geographic information systems (GIS), spatial analysis uses a variety of tools, techniques, and technologies.
As a result, the significance of the principal methodology governing geographic inquiry are the aforementioned. Therefore, option (b) is correct.
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How big is the Great Pacific Garbage Patch 2018?
Answer:
1.6 million square km
Explanation:
The Great Pacific Garbage Patch is an excellent proof of how much the humans are damaging the environment, and how little they actually care about it. The biggest ocean on the planet, the Pacific Ocean, has a garbage patch that is estimated to be 1.6 million km in size. To put into a perspective, that's approximately twice the size of Texas. That data is from 2015 though, so the chances are that in the present the garbage patch is even bigger. The Great Pacific Garbage Patch comes to literary be a slow moving island of garbage. It is around 3.5 meters deep, and it contains around 7 million tons of garbage, the majority of which is plastic. This garbage patch actually has so much plastic that it outnumbers the plankton in the Pacific Ocean. The fish that lives around it, as well as the other marine life, are badly affected, and around 8% of them actually have plastic in them because of it.
Four species of finch arrive on a newly formed Galapagos island which is covered with cacti growing in loose, dry sand. The cacti have honey-filled flowers and tiny seeds. The theory of evolution by natural selection would probably predict that ____________________ would most succesfully survive, because _________________________. A) Geospiza magnirostris; its large size makes it the fittest. B) Geospiza fortis; it will probably be able to dig up worms with its bill. C) Certhidia oliveacea; its tiny pointed bill is the best adapted to sip nectar. D) Geospiza parvula; animals with intermediate traits tend to have higher survival rates in new places.
Answer:
The ANSWER IS C.)
Explanation:
The cacti have honey-filled flowers and tiny seeds. The bird has a bill built just for things like this.
What is the island in the atlantic off the northwestern coast of mainland europe?
The British Isles are an archipelago (Great Britain and Ireland, and other smaller islands) located at the northwest of the coast of Europe. They are separated from the European continent by the North Sea to the east and by the English Channel to the south, while to the west and north they border the Atlantic Ocean.
However this was not always in this way. Millions of years ago this portion of land was a peninsula linked by a limestone mountainous ridge to mainland Europe. This is how, where the current Dover Strait is located, there was a rock formation that joint Great Britain and France.
It is estimated that it was at the end of the last Ice Age (this whole area was frozen and the sea level was far much lower than today) that this territory began to separate from the continent, a process that ended in the Mesolithic period, in the middle of the Stone Age, becoming the insular territory we know today.
In fact, the current Irish Sea and the North Sea were dry land that was submerged with the rise of sea level in the thaw.
What country lies west of romania and east of austria
Answer: Hungary
Explanation: Hungary is a landlocked country located on the Danube River Basin in Central Europe. Its bound by Slovakia to the north, Ukraine to the northeast, Romania to the east, Croatia and Serbia & Montenegro to the south as well as Slovenia and Austria to the west.
Hungary is the country that is located between the west of Romania and the east of Austria.
Where is Hungary located ?Being a land-locked nation the country of Hungary is found on the Danube river in central Europe. It has an area of 93,030 sq. miles. The cultic of the Romanians have various cults and Huns, tribes, and other religious groups. They have people of Romania and Germany etc. Has a a temperate climate.
Find out more information about Hungary.
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How many miles of coastline does florida have
What mountain range runs north to south along the western edge of south america?
Answer:
the andes
Explanation:
likewise a comparatively young and seismically restless mountain range , runs down the western edge of the continent
What is the tallest structure in washington dc
Answer:
Washington monument
Explanation:
When traveling north what direction is to the left
Answer:
West
Explanation:
N
|
W - E
|
S
When you are facing north, if you turn left, you will be facing West. If you turn right, you will be facing East. If you turn around fully, you will be facing South.
Mordancy.
The west direction comes to the left while traveling towards the north.
What is a compass?A compass is an instrument that is used to detect the location. It shows four directions namely, north, south, east, and west.
At the time of traveling in the north direction, then there are three possible directions comes:
It will be a West direction if a person turns toward the left.It will be an East direction if a person turns toward the right.It will be a South direction if a person turns toward all around.Therefore, whenever a person travels towards the north, then the West direction comes to his/her left.
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Which of the following geologic events can occur at a transform boundary?a. Earthquakeb. Mountain formationc. Volcanic eruptiond. Rift formation
Answer:
a. Earthquake
Explanation:
The transform fault plate boundaries are plate boundaries that are formed where there's plates to slide past each other. Basically there's no real collision between the plates because they move in opposite directions but parallel to one another. Despite the lack of direct collision, the plates still create a lot of pressure between each other on the contact zone. This intense pressure results in the formation of cracks in the crust, some of which are parallel to the boundary and are manifested on the surface as faults, while some are cracks deep inside the crust and create adjustments. The adjustments of the crust deep inside it release lot of energy, and that energy is manifested through strong, destructive vibrations, known as earthquakes.
Final answer:
An earthquake is the geologic event typically associated with a transform boundary, such as the San Andreas Fault in California. Transform boundaries involve lateral plate movement, leading to earthquakes when built-up strain is released.
Explanation:
The geologic event that commonly occurs at a transform boundary is an earthquake. At transform boundaries, two tectonic plates slide past one another. This lateral movement can build up strain in the adjacent crustal regions, leading to earthquakes when the strain is released and the plates grind against each other. A well-known example is the San Andreas Fault in California. Transform boundaries are not typically associated with mountain formation, volcanic eruptions, or rift formation, as these events are more common at convergent and divergent plate boundaries. Volcanic eruptions generally occur at divergent plate boundaries, like mid-ocean ridges, or at convergent boundaries where subduction takes place. Mountain formation is also mostly linked to convergent boundaries where two plates collide. Finally, rift formation occurs at divergent boundaries where plates move away from each other.
What does the line at 13600 represent?
scale bar
index contour
elevation difference
topographic symbol
Answer:
Index contour
Explanation:
A line on a map at 13600 would likely represent an index contour. On a topographic map, an index contour is a contour which is usually thicker and bolder with its elevation value written on it. Using this index contour and the contour intervals, we can estimate the values of other contour lines on the map.
The use of an index contour makes the map less crowded with symbols thereby making the map readable.
The answer is index contour, or the second option.
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Why is the Continental Divide important? It forms two river systems. It combines two large ice sheets. It separates two major watersheds. It splits two large rivers through tributaries.
The Continental Divide is important as it separates two major watersheds.
Answer: C
Explanation:
The natural boundary or ridge that separates the river systems of a continent is said to be the continental divide. Each river system has a different end points as they feed into different sea, bay or ocean basin.
Continental divides are continent-wide and broad, some examples are drainage divides, and sometimes they are just called divides. Divides are boundaries separating the watersheds or drainage basins of distinct sizes. Without paying any attention to the scale, Drainage divides occurs in elevated terrain like the hills or mountain ranges.
What type of geography studies all of the natural occurrences on the planet
Answer:
2500 dollars
he paid the price so...
What do you need in order for an igneous rock to form
For an igneous rock to form, volcanism must be involved.
Igneous rocks are generally divided into two types: intrusive igneous rock and extrusive igneous rocks.
Intrusive igneous rock is where intrusive volcanism take place and the magma below surface cools down to form rock. One example is granite.
Extrusive igneous rock is formed where extrusive volcanism take place, the lava cools down to form rocks such as basalt and tuff.
Hope it helps!
Igneous rocks form from the cooling and solidification of magma or lava. The process requires magma or lava, a cooling process, and a mineral composition. The rate of cooling and the mineral composition determine the texture and type of igneous rock formed.
Explanation:Igneous rocks form from the cooling and solidification of molten rock material, known as magma or lava. For an igneous rock to form, there are three essential components needed:
Magma or lava: This is the molten rock material that cools and solidifies. Magma is found beneath Earth's surface, while lava is expelled onto the surface during volcanic eruptions. Cooling process: The magma or lava must cool down to form solid rock. The rate of cooling determines the texture of the resulting igneous rock. Slow cooling allows for the growth of large mineral crystals, resulting in coarse-grained rocks, while rapid cooling leads to the formation of small mineral crystals, producing fine-grained rocks. Mineral composition: The minerals present in the magma or lava determine the type of igneous rock that forms. Different minerals have different chemical compositions, which influence the characteristics of the resulting rock. Learn more about Igneous rock formation here:
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Holland is another name for which country?
Answer:
Netherlands
Explanation:
Netherlands, also known as Holland, is home to the Dutch people. It is part of the Benelux trio, and it is located in Western Europe. The country has access to the North Sea and it has been of great importance for its economic development. This country is actually the country that has the lowest average elevation, which makes it very vulnerable to floods. In order for the people to get protected, they actually started to create more land in the sea, making their territory larger, and also put barriers to stop any incoming waters, these artificial pieces of land are called polders. It is a country that is in the category of more developed countries, being heavily industrialized, with strong and progressive economy, and highly skillful labor force.
What is the difference between cultural diffusion and cultural convergence
Answer: Results in two cultures becoming more different
Explanation:
Cultural diffusion involves the spread of cultural elements between societies, while cultural convergence refers to the merging and assimilation of different cultural practices. Cultural diffusion occurs through contact and interaction, whereas cultural convergence is influenced by globalization and increased interconnectivity.
Explanation:Cultural diffusion refers to the spread of cultural customs, ideas, and practices from one society to another through contact and interaction. It can occur through migration, trade, or communication, and often results in the adoption and blending of different cultural elements.
Cultural convergence, on the other hand, refers to the process where diverse cultural practices, beliefs, and traditions become more similar or merge together. This can be influenced by globalization, technology, and increased interconnectivity between societies.
So, while cultural diffusion involves the movement and exchange of cultural elements, cultural convergence focuses on the gradual assimilation and similarities between different cultures.
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Which statement about the cosmic microwave background isnottrue?A) It is the result of a mixture of radiation from many independent sources, such as stars andgalaxies.B) It is thought to be radiation that began its journey to our telescopes when the universe wasabout 380,000 years old.C) With the exception of very small variations, it appears essentially the same in all directions inwhich we look into space.D) Its spectrum corresponds to a temperature of just under 3 degrees above absolute zero.
Answer: It is the result of a mixture of radiation from many independent sources, such as stars and galaxies.
Microwave background radiation is a form of electromagnetic radiation that is present in the whole universe and completely fills it. In fact, it is the leftover radiation from the Big Bang that occurred 400,000 years before the events related to this cosmic radiation.
Its frequency belongs to the microwaves range and is one of the main demonstrations of the of the Big Bang theory model.
The incorrect statement about the cosmic microwave background is A: it is actually not a mixture of radiation from independent stars and galaxies, but the aftreglow from the Big Bang.
Explanation:The statement about the cosmic microwave background (CMB) that is not true is A) It is the result of a mixture of radiation from many independent sources, such as stars and galaxies. The CMB is thought to be evidence of the Big Bang, which is the event that started the universe.
It is an afterglow of sorts from when the universe was just about 380,000 years old (Statement B). It is almost uniform in all directions (Statement C) and its spectrum corresponds to a temperature just under 3 Kelvin, just above absolute zero (Statement D).
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The image shows a high-elevation, low-relief landform with a river flowing over it.
Which type of landform is shown?
hill
mountain
plains
plateau
Answer:
plateau
Explanation:
Let's see the possible answers:
hill : No. A hill is a relatively small and round relief on a normally flat area. Not the case here... especially since the question mentions a low-relief.
mountain : No. A mountain is a big relief, much bigger than a hill... with steep sides and a summit... again, nothing like a low-relief.
plains : No. Although plains are also flat, they are low-elevation, think about fields for growing crops.
plateau: Yes. A plateau is a relatively flat (low-relief) that is significantly elevated compared to its surroundings. Drops from a plateau is usually the best scenario for a waterfall, like on this picture.
Answer: plateau
Explanation:aka D
What are examples of constructive and destructive forces?
There's multiple natural forces that are considered constructive or destructive. Constructive forces can be the volcanic eruptions, deposition, the deformation of the crust, while destructive forces can be the erosion and the weathering. The constructive forces are the the natural forces that manage to build up and create the landforms, while the destructive forces are the ones that manage to destroy the landforms. In general, the constructive forces are building up, thus making the surface more ragged, creating faults, hills, mountains, valleys. On the other hand, the destructive forces have the tendency to flatten the surface of the Earth, and they practically destroy little by little the landforms created by the constructive forces until they level them up.
What is the second largest city in the united states
Answer:
Los Angeles, CA. Population: 3,971,883
The second largest city in the United States is Los Angeles, California. Despite being a major urban hub, it's outranked by New York City. The fourth major city in terms of population is Houston, Texas.
Explanation:The second largest city in the United States is Los Angeles, located in the state of California. It's a massive urban area, often referred to as a Combined Statistical Area (CSA), home to approximately 18.35 million people. However, the City of Los Angeles itself contains around 3.8 million residents. The largest city in the U.S. is New York City, with a CSA population of about 23.5 million people.
Los Angeles has seen significant growth and is a major hub for several industries. It's worth mentioning that Houston, Texas is the fourth largest city in the U.S. and the largest in Texas, with a rapidly growing population of over 2.2 million people. Yet, it holds less population than both New York City and Los Angeles.
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What type of system is associated with weather that is cold but sunny with almost no clouds in the sky?
The answer is: high pressure system
What is the major river in western africa that empties into the gulf of Guinea?
Answer: Niger
Explanation:
Its source is in the Guinea Highlands in southeastern Guinea. It runs in a crescent through Mali, Niger, on the border with Benin and then through Nigeria, discharging through a massive delta, known as the Niger Delta or the Oil Rivers, into the Gulf of Guinea in the Atlantic Ocean.
The hottest place in the universe is located in which constellation
The answer is Virgo hope this helped
What are the 3 regions of north carolina?
Answer:
If this is what you meant:
Coastal Plain, Piedmont, and Mountains
How many animals live in the ocean and what percentage of the ocean has NOT been discovered?
Answer:
An estimated 50-80% of all life on earth is found under the ocean surface and the oceans contain 99% of the living space on the planet. Less than 10% of that space has been explored by humans.
Explanation:
Scientists now estimate that 80 % of Earth's species live on land, 15 % in the ocean, and the remaining 5 % is freshwater.
More than eighty percent of our ocean is unmapped, unobserved, and unexplored
What is the ratio of land to water on Earth?In simplest terms, water makes up about 71% of the Earth's surface, while the other 29% consists of continents and islands.
Area of land: 148 326 000 km2 (57 268 900 square miles), this is 29% of the total surface of Planet Earth. Area of water: 361 740 000 km2 (139 668 500 square miles), this is 71% of the total surface of the Earth. 97 % is salt water and only 3 % is fresh water.
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What is one thing that can affect the way that clouds form?
Answer:
Mountains or other topography
Explanation:
This makes sure the air rises and cools in temperature, but because they cant hold that much of the water they form into clouds.