Question

3) What are the uses of air?​

Answer 1

Answer:

Air is a natural resource and is available abundantly. When we talk about the uses of air, the first thing that we can say that it is the most important element that supports the vitality and well being of all living things on the Earth. Having said that, just like water, the air is very useful and it has a lot of applications.

Sustain life and growth

Combustion

Maintaining Temperature

Supplier of Energy

Photosynthesis

Explanation:

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Answer 2

Answer:

1) In breathing, we inhale oxygen which reaches the lungs and from lungs blood capillaries absorb oxygen and carbon dioxide is breathed out into the air. Plants need carbon dioxide for photosynthesis.