Question

what are the various constituents of air? write their uses

Answer 1

air is the mixture of gases like nitrogen, oxygen,carbon dioxide in major
oxygen is use for respiration which gives life to all aerobic organisms while nitrogen is used by plants and carbon dioxide is used in process of photosynthesis

Answer 2

Answer:

It provides us the air we breathe and protects us from the harmful effects of the sun's rays. Atmosphere is consists of mainly nitrogen (78%), oxygen (21%), argon (0.93%), carbon dioxide (0.03%) and other gases like helium, ozone, argon and hydrogen (0.04%). Nitrogen is very important for plant's survival.

Uses of Air:

1.Sustain life and growth.

2.Combustion.

3.Maintaining Temperature.

4.Supplier of Energy.

5.Photosynthesis.