Question

Fill in the blanks.
1. An envelope of air that
surrounds the earth is called________.
2.________is a life-support system for us.
3. The structural and functional
unit of the biosphere is called________.
4. All living components consti-
tute the________components of an ecosystem.
5. Air, water and light are the
example of______components of an ecosystem.​

Answer 1

Answer:

Science

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Explanation:

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Answer 2

Answer:

1.atmosphere

2.environment

3. ecosystem

5. Abiotic

you can find 4