activities of various activities of human beings that make the air impure
Various activities of human beings that make the air impure are:-
1. Vehicle pollution.
2. Combustion of fuel.
3. Industrial pollution.
4. Deforestation.
5. Burning of crackers.
1. Vehicle pollution.
2. Combustion of fuel.
3. Industrial pollution.
4. Deforestation.
5. Burning of crackers.