NEET BIOLOGY

Detailed explanation-1: -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.

Detailed explanation-2: -Pollutants are biodegradable or non-biodegradable substances that can cause pollution. Pollution is the addition of any such constituent to air, water or land which deteriorates the natural quality of the environment.

Detailed explanation-3: -Pollution occurs when an amount of any substance or any form of energy is put into the environment at a rate faster than it can be dispersed or safely stored. The term pollution can refer to both artificial and natural materials that are created, consumed, and discarded in an unsustainable manner.

Detailed explanation-4: -A substance present in the environment in greater population than in natural abundance and resulting in harmful or detrimental effect is called pollutant and this phenomenon is known as pollution. For example, carbon monoxide, sulfur dioxide, ozone and nitrogen dioxide are present in air.