Nitrogen.
nitrogen about 75 (probably 65-85%)
the percentage of a kids body is usually 70%
Oxygen
Nitrogen.
Nitrogen.
Nitrogen is present in group-15. It majorly constitutes air.
75%
Oceans
nitrogen about 75 (probably 65-85%)
Hydrogen
True
It is nitrogen and it makes more than 78% of the air.
Nitrogen makes up 75% of the air followed by carbon dioxide and oxygen
no 75% of water makes up a tree x
oxygen
Oxygen.