Question

C) Match the Following:
Sr. No
Column - A
Column-B
1
Oxygen
a) Highest proportion in Air
2
Nitrogen
b) Useful in photosynthesis
3
Carbon dioxide
c) Useful in water cycle.
4
Water Vapour
d) Useful in respiration​

Answer 1

Answer:

Oxygen -Useful in respiration

Nitrogen -Highest proportion in Air

carbon dioxide -Used in photosynthesis

water vapour - Useful in water recycle

Hope it helps

Answer 2

Explanation:

1. Oxygen -- useful in respiration.

2. Nitrogen -- Highest proportion in Air.

3. Carbon dioxide -- Useful in photosynthesis.

4. Water vapour -- Useful in Water cycle.