Question

c. Write true or false. Correct the false statements.
1. Atmospheric nitrogen gets converted to nitrates in the soil.
2.The percentage by volume of oxygen in air is variable from place to place.
3. Burning and respiration require oxygen.
4. Plants use nitrogen to manufacture food.
5. Nitrogen is used in fire-extinguishers.
6. Excess water vapour increases the rate of evaporation.
7. Argon is used in advertisement signs and brake lights.
8. Photosynthesis is the only natural process that releases oxygen into the air.​

Answer 1

Answer:

1) True

2)True

3) true

4)false

5)false

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Answer 2

Answer:

1 True

2 True

3 True

4

5 True

6 True

7

8 True