Question

Match the following:
Column A
1. Photosynthesis
2. Respiration
3. Burning
4. Rusting
5. Aerosols
6. Humidity
Column B
(a) Solid particles in the air
(b) Formation of a reddish brown layer on an iron object
(C) Amount of water vapour in the air
(d) Produces carbon dioxide gas as a waste
(e) Produces oxygen gas as a waste
(f) Gives heat and light
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Answer 1

Answer:

1. e

2. d

3.f

4.b

5 a.

6. c

Explanation:

Photosynthesis is a process in which Oxygen is produced in the presence of Co2 and sunlight.

Respiration is in humans where we breathe in Oxygen and give out Co2.