Question

Match the following.
Column A.
1. oxygen
2. Carbon dioxide
3. Nitrogen
4. Ozone
5. Layer in which we live
6. Smog
7. Moving air
8. Humidity
9. Distillation
10. Potable

Column B
a. photosynthesis
b. protection from UV rays
c. breathing
d. found in proteins
e. smog and fog
f. water vapour
g. troposphere
h. wind
I. drinkable
j. pure water.​

Answer 1

oxygen breathing

carbon dioxide photosynthesis

nitrogen. found in proteins

ozone. protection from UV rays

layer in which we live. troposphere

smog. smog and fog

moving air. wind

humidity. water vapour

distillation. pure water

portable. drinkable

Answer 2

Answer:

1 ka c

2ka a

3ka d

4ka b

5ka g

6ka e

7ka h

8ka f

9ka j

10ka i