Question

Q4). Match the following pairs.
Column A
Column B
1. Carbon choxide
2. Oxygen
3 Nitrogen
4. Sulphur dioxide
5. Carbon dioxide
a) Acid rain
b) Needed for protein
c) Air pollution
d) Photosynthesis
e) We need to burn our food​

Answer 1

Explanation:

1.Carbon choxide-Air pollution

2.Oxygen-We need to burn

3.Nitrogen-Needed for protein

4.Sulpher dioxide-Acid rain

5.Carbon dioxide-Photosynthesis