Question

1.Air occupies________and has_________.​
2. The air we breath in is rich in_______and poor in_____.
3. plants release the gas_______during day and the gas_______at night.
4._______gets thinner with increase in in altitude.
5. Air is not one substance but a ______.
6. The _______present in the air help in the formation of clouds.
7. The cycle consumption and release of oxygen in nature is called ______.
8. plants and animals are ______on each other.
9. ________,a constituent of air, is an important component of fertilisers.
10. Packets of chips and flushed with_______to precent their spoilage.
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Answer 1

1. space,mass
2. carbon dioxide, nitrogen
3. oxygen,carbon dioxide
4. air
5. gas

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Answer 2

1. Air occupies SPACE and has WEIGHT.

2. The air we breath in is rich in OXYGEN and poor in CARBON DIOXIDE.

3. Plants release the gas OXYGEN during day and the gas CARBON DIOXIDE at night.

4. ATMOSPHERE gets thinner with increase in in altitude.

5. Air is not one substance but a MIXTURE OF VARIOUS SUBSTANCES

6. The WATER VAPOUR present in the air help in the formation of clouds.

7. The cycle consumption and release of oxygen in nature is called OXYGEN CYCLE

8. Plants and animals are INTERDEPENDENT on each other.

9. NITROGEN ,a constituent of air, is an important component of fertilisers.

10. Packets of chips are flushed with NITROGEN to percent their spoilage.

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