Question

why atmosphere is needed
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Answer 1

Answer:

The atmosphere is made of gases that are essential for photosynthesis and other life activities. The atmosphere is a crucial part of the water cycle. It is an important reservoir for water, and the source of precipitation. The atmosphere moderates Earth's temperature

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Answer 2

Explanation:

Atmosphere is important for our life due to these reason

• It keeps average temperature of the Earth even during the day and night too
• It prevents sudden increase in temperature during daylight hours
• The gases it contains are too essential.These gases are:-

Oxygen:-

It is most important gas used for breathing by all living organism

Carbon dioxide:-

This is also most importsnt gases which is used in photosynthesis performed by plants for preparing food

Nitrogen:-

As we know it is the gas which constitutes 80 % of the atmosphere.Also it is an important component of proteins,nucleic acids and other cellular constituents

• A thick layer of ozone in stratosphere,filters the harmful UV radiations thus preventing them to reach the Earth.