Question

what you mean by pollution?​

Answer 1

Explanation:

Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories.

Answer 2

Answer:

• Introduction of harmful materials in the environment is called pollution.

→ Pollution is mainly caused by humans only.

→ There are 3 types of pollution, they are :-

1. Air pollution
2. Water pollution
3. Land pollution