What do you mean by the term ,'Pollution'?​

Pollution is the introduction of harmful materials into the environment. ... Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash

the mixture of unknown unwanted particle to any sort of substances or things is known as pollution.for example mixture of harmful other gases in pure gases cause air pollution.

saving account is right