Question

Column A
Column B
1. Carbon dioxide
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

Answer:

1-d,2-b,3-e,4-a,5-c hope you like the answer

Answer 2

1=d, 2=b, 3=e, 4=a, 5=c.

hope this answer may helps you