Question

1) what is 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.

Pollutants damage the quality of air, water, and land.

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Answer 2

Pollution -

• Pollution is term used to represent a condition, when some undesirable, unwanted substance is added to enviornment.
• These substances are called pollutants.

Some important and Common types of pollution are

1) Air pollution -

• When unwanted substances (pollutant) are added to/contaminate air.
• Cause- gaseous exhaust from vehicle, factories , volcano (natural pollutant)

2) Soil pollution -

• When pollutant is added to/ contaminate soil , which results in removal of useful substance.
• Cause - Disposal of waste , plastic contamination

3) Water pollution -

• When pollutant is added to/contaminate water.
• Cause - Pesticides from agriculture fields, Industrial waste , sewage dumping

4) Noise pollution -

• When some unwanted and unnecessary sounds or noise is added.
• Cause - traffic sound , Construction noise, DJ sounds