Question

write a brief account on pollution.​

Answer 1

Answer:

Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. In 2015, pollution killed 9 million people

Answer 2

pollution is a type of action which are harmful to the environment

it's types,

• sound
• land
• water
• air etc......