MEDIUM
6th CBSE
IMPORTANT
Earn 100

How do plants and animals maintain the balance of oxygen and carbon dioxide gases in air (or atmosphere)?

Important Questions on Air Around Us
HARD
6th CBSE
IMPORTANT
(i) air is present in a lump of soil?
(ii) air is dissolved in water?

MEDIUM
6th CBSE
IMPORTANT

MEDIUM
6th CBSE
IMPORTANT

MEDIUM
6th CBSE
IMPORTANT
The two gases which, taken together, make up about percent of air are:
A. Nitrogen B. Carbon dioxide C. Ozone D. Oxygen

MEDIUM
6th CBSE
IMPORTANT

MEDIUM
6th CBSE
IMPORTANT

HARD
6th CBSE
IMPORTANT

MEDIUM
6th CBSE
IMPORTANT
How can we release some of the air from the glass shown in the following diagram?
