EASY
6th CBSE
IMPORTANT
Earn 100

How do a cockroach breath in air?

Important Questions on Air and Its Importance

MEDIUM
6th CBSE
IMPORTANT
Do dolphins and whale breathe the dissolved oxygen in the water?
EASY
6th CBSE
IMPORTANT
Which gas is used in chips packet?
EASY
6th CBSE
IMPORTANT
How is nitrogen used in hospitals?
MEDIUM
6th CBSE
IMPORTANT
Write the chemical equation for photosynthesis.
MEDIUM
6th CBSE
IMPORTANT
Glaciers are melting that may cause many natural calamities such as floods and tsunamis. Why have these glaciers started melting? 
EASY
6th CBSE
IMPORTANT
The amount of oxygen at a higher altitude _____.
EASY
6th CBSE
IMPORTANT
Tadpole have _____to breathe.
EASY
6th CBSE
IMPORTANT
Nitrogen and oxygen exist in the form of_____.