Scientists have noted patterns in the Earth's seafloor structures. For example, volcanic ridges are typically located in the center of the oceans, and trenches are typically located along the edges of continents. In addition, seafloor rocks found at the trenches are usually older than seafloor rocks found at the volcanic ridges. Which explanation of the past movement of the Earth's plates is best supported by this information?

Answers

Answer 1

Answer:

Answer:

past movement of the Earth's plates is best supported by : seafloor rocks found at the trenches are usually older than seafloor rocks found at the volcanic ridges.

Explanation:

The statement that refers to the origin of the rocks of the earth that have formed the plate tectonics, which is represented by their ages as the spreading of the seafloor is concerned.

The older rocks found at the margin of the continents and the younger are found near the volcanic ridges and they have formed some 200 million years ago.

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Surface runoff is an example of nonpoint source pollution. true or false

Answers

The correct answer is - False.

The surface runoff, in its natural form, is not a pollution source by any means. When there's heavy rains, once the soil is saturated with water, the water stars to move on its surface, downhill, thus making short-lasting streams of rain water coming down towards the lower parts.

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The answer to the following question is true.

1. During the early Paleozoic era, South America, Africa, Australia, Antarctica, India, and perhaps China comprised the vast southern continent of _____. Europe
Gondwana
Laurasia
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Answers

During the early Paleozoic era, South America, Africa, Australia, Antarctica, India, and perhaps China comprised the vast southern continent of Pangaea. The correct option among all the options that are given in the question is the fourth option or the last option. I hope that the answer has come to your help.

Answer:

B. Gondwana

Explanation:

100000% sure!!!!!

In which of the following places would you most likely experience the greatest level of political security? A. a multinational state B. a sovereign state C. a state that is being annexed D. a stateless nation

Answers

You would definitely not expect political stability in a state that is being annexed or which does not have a territory - rather the opposite would be true.

Both multinational and souvereign states can have a high lever of political security. However, in a multinational state one can also expect some conflicts between the different ethnic groups - therefore the best answer is "a sovereign state"

The correct answer is B just took the test

Which of these protects the earth from harmful radiation when found in the stratosphere, but is a pollutant at lower altitudes

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The atmosphere is like a blanket for our planet, within this atmosphere, there's a layer called "The ozone layer" which protects our planet from most of the sun's harmful rays. And yes, the ozone layer has holes, because of the pollution.

What are the primary elements that make up the Earths atmosphere?

Answers

Nitrogen, Oxygen, Carbon dioxide and Argon are the primary elements that make up the Earth's atmosphere.

What are the primary elements that makeup Earth's atmosphere?

With argon, carbon dioxide, helium, neon, and other gases making up just trace amounts, nitrogen and oxygen make up 99 per cent of the gases in dry air. The atmosphere of Earth also contains dust and water vapor. Many of the gases in our atmosphere, according to scientists, were expelled into the atmosphere by early volcanoes. There would have been little to no free oxygen encircling Earth at that period.

The term "free oxygen" refers to oxygen atoms that are not joined to another element, such as carbon (to create carbon dioxide) or hydrogen (to create water). Primitive creatures, most likely bacteria, may have contributed free oxygen to the atmosphere during photosynthesis. A plant or other autotroph uses photosynthesis to convert carbon dioxide and water into food and oxygen.

Learn more about Earth's atmosphere here:

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Nitrogen, Oxygen, Carbon dioxide and Argon.

List 3 reasons why Americans are concerned about illegal immigration because

Answers

i know jobs for one, over population maybe, and because they are worried that dangerous people could be entering into the country with intention to harm. (unless this is a "only 3 right answer" kind of thing)

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