Question

write any two two uses of Nitrogen carbon dioxide and oxygen

Answer 1

here is your answer

Nitrogen
1 It can reduce Oxidation reaction.
2 Used in creating ammonia.

Carbon dioxide
1 Used for cooling.
2 Used as inert gas in chemical process.

Oxygen
1 Used in manufacturing of steel.
2 Mainly used for breathing.

Hope this helps you.

Answer 2

Oxygen

1. It is the most essential gas that helps all living organisms to breathe and survive
2. It forms compounds with many elements that are useful for our survival like water, which is a compound of oxygen and hydrogen.

Nitrogen

1. It is taken up by plants to form compounds like proteins.
2. It is an important element that forms the amino acids of our body

Carbon Dioxide

1. Carbon Dioxide absorbs heat radiation that keeps the temof earth congenial.
2. It is also taken up by plants as inorganic substance for nutrition.