Question

D. State 'T' for true and 'F' for false statements :
1. Air is a single substance.
2. Air is not essential for life.
3. Oxygen present in air helps in burning.
4. Nitrogen is the major component of air.
5. Air cannot be compressed.
6. The amount of water vapour present in air is the same everywhere.
7. We cannot see through air.
8. The plants and animals are interdependent for gaseous exchange.​

Answer 1

Answer:

1.f

2.f

3.t

4.t

5.f

6.f

7.f

8.t