Question

1) ____is the thick layer of air that surrounds the earth,
2) ___is the method of separating soluble impurities from water.
3. Filtration is the process of separating insoluble impurities present in a liquid
by using a___
4. The amount of water vapour present in the air is called___
5. Ozone layer is present in___​

Answer 1

Answer:

atmosphere

Explanation:

atmosphere

sedimentation ,evaporation

filter paper

4) absolute humidity

5) stratosphere

Answer 2

Answer:

1) atmosphere

2)filtration

3)filter paper

4)humidity

5)stratosphere