Question

questions and answers from air arround us
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Answer 1

Answer:

15 Air Around Us - Click ... Air is present in water and soil. Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapour and a few other gases. ... Oxygen supports burning and is necessary for living organisms. The envelope of air that surrounds the earth is known as the atmosphere.

Explanation:

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Answer 2

Explanation:

Air is present in water and soil. Air is a mixture of nitrogen, oxygen, carbon dioxide, water vapour and a few other gases. ... Oxygen supports burning and is necessary for living organisms. The envelope of air that surrounds the earth is known as the atmosphere.

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