Question

Explain the composition of the atmosphere and its importance.​

Answer 1

Answer:

The atmosphere is composed of a mix of several different gases in differing amounts. The permanent gases whose percentages do not change from day to day are nitrogen, oxygen and argon. Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%.

Answer 2

Answer:

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Composition of Atmosphere

The atmosphere is composed of a mix of several different gases in differing amounts. The permanent gases whose percentages do not change from day to day are nitrogen, oxygen and argon. Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%.

Importance of Atmosphere

The atmosphere is made of gases that are essential for photosynthesis and respiration, among other life activities. The atmosphere is a crucial part of the water cycle. The atmosphere moderates Earth's temperature because greenhouse gases absorb heat.

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