MEDIUM
4th CBSE
IMPORTANT
Earn 100

Write two ill-effects of water pollution.
Important Questions on A Clean World
EASY
4th CBSE
IMPORTANT
Pollution means the presence of _____ substances in air, water and land.

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT
