Question

How is the atmosphere important for us? Give three reasons.
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Answer 1

Answer:

The atmosphere contains the air that we breathe; protects us from the harmful radiation of the Sun; helps to keep the planet's heat on the surface, and plays a very important role in the water cycle. ... Plants require carbon dioxide for photosynthesis; they use sunlight to change carbon dioxide and water into food.

Answer 2

Answer:  An atmosphere is a blanket of gases that surrounds Earth . It is held near the surface of the planet by Earth's gravitational attraction . Argon ,oxygen and nitrogen from the three main constitutions of the atmosphere .

1. Essential gases that  support life on the earth are present in the atmosphere.

2. The atmosphere acts as a protective blanket for the earth by blocking the harmful UV rays from the sun .

3. Water-cycle wouldn't have been possible without the atmosphere .

I hope this will help u friend ..