MEDIUM
4th CBSE
IMPORTANT
Earn 100

Match the following:
1. Afforestation
a. Soil erosion
2. Deforestation
b. Non-biodegradable waste
3. Air pollution
c. Van Mahotsav
4. Soil Pollution
d. Acid Rain
Important Questions on The Clean World
EASY
4th CBSE
IMPORTANT

MEDIUM
4th CBSE
IMPORTANT

MEDIUM
4th CBSE
IMPORTANT

MEDIUM
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT

EASY
4th CBSE
IMPORTANT
