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Which major atmospheric component is chiefly a product of life processes quizlet?

Which major atmospheric component is chiefly a product of life processes? troposphere. the skin of a grape as compared to the meat of the grape. Above about 100 km, the high-energy portion of the Sun’s radiation spectrum breaks down molecules into atoms.

What gas is the primary constituent of our atmosphere quizlet?

Greenhouse gases in our atmosphere trap just enough heat to keep the Earth’s oceans liquid. The ozone layer lies at the boundary of the stratosphere and mesosphere. Almost all the oxygen in Earth’s atmosphere is unique among the planets in our solar system. The most abundant gas in Earth’s atmosphere is oxygen.

What is the percentage of Earth’s atmosphere by volume that is carbon dioxide CO2 )?


Which of the following is unique about Earth among the terrestrial planets?

The Earth is unique among the Terrestrial planets because it has liquid water on its surface and life that is aware living on it. The density of the surface rocks is lower than the overall density of the Earth. Therefore, the more dense rocks must be in the interior.

What are the unique features of the earth necessary to support life?

What makes the Earth habitable? It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.

What are the similarities and differences among these three terrestrial planets?

Answer. Answer: their similarities are: they are planets, having individual paths to orbit, and they are revolving around the sun. Differences: venus is closer to the sun, earth is after the venus and mars is after the earth. But one thing is that the earth is more beautiful than venus and mars.

What are three similarities among the inner planets?

All of the inner planets are solid, dense, rocky planets. The inner planets either do not have moons or have just one (Earth) or two (Mars). None of the inner planets have rings. Compared to the outer planets, the inner planets have shorter orbits around the Sun, but all the inner planets spin more slowly.

What is the similarities and differences among Venus Earth and Mars?

Mars is much smaller, with a diameter of only 6,792 km. And again, in terms of mass, Venus is almost Earth’s twin. It has 81% the mass of Earth, while Mars only has 10% the mass of Earth. The climates of Mars and Venus are very different, and very different from Earth as well.

What are the inner planets called?

The inner planets, or terrestrial planets, are the four planets closest to the Sun: Mercury, Venus, Earth, and Mars. Figure below shows the relative sizes of these four inner planets. This composite shows the relative sizes of the four inner planets. From left to right, they are Mercury, Venus, Earth, and Mars.