Question

Define pollution ???​

Answer 1

Pollution → Addition of any unwanted substance that alters the natural quality of the environment is called pollution.

Pollutant → The substance that causes pollution is called pollutant.

Types of Pollutants

Biodegradable pollutants →

The pollutants which can be broken down into simpler substance by microorganisms are called biodegradable pollutants.

Examples: Household garbage and sewage.

Non-biodegradable pollutants →

The pollutants that cannot be degraded by microbes or degrade at very slow rate are called non-biodegradable.

Example: Pesticides

Answer 2

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