Question

B. Short Answer Type Questions.
1. Write down the different sources of land.
2. What is water pollution?
3. What do you mean by air po wion?
4. How is water utilized by us
5. How is air utilized by us?​

Answer 1

Answer:

2 ) water pollution is the pollution of water bodies like river ,lakes , canal etc by throwing garbage , washing clothes and dishes, etc

3) air pollution is the pollution of air by harmful gases , factory release, chemical gases ,burning of fuel etc in air

4) water is utilised by us in many ways:

drinking

washing

cooking

agriculture

in factories

it is the main source of survival.

5) we take oxygen and release carbon dioxide.

the oxygen used in life process such as respiration and circulation in our body