Question

B. State true (T) or false (F).
1. Air is essential for the survival of all living organisms
2. Oxygen and nitrogen are greenhouse gases.
3. Air does not support the flying of helicopters and balloons.
4.
The amount of water vapour present in the air is called num
5.
The air that we breathe out is rich in oxygen.​

Answer 1

Explanation:

1true

2False

3False

4False

5False

Answer 2

Answer:

1.true..

2. True..

3.false..

4. It's called humidity.. False..

5.true...

Hope it helps