Question

true/false


Atmospheric nitrogen gets converted to nitrates in the soil.
The percentage by volume of oxygen in air is variable from place to place.
* Burning and respiration require oxygen.
4. Plants use nitrogen to manufacture food.
Nitrogen is used in fire extinguishers.​

Answer 1

Answer:

True

Explanation:

Jut memorixe the step

Answer 2

Answer:

1. True
2. True
3. True
4. True
5. False