Question

Q. 1 weet is polition? What are types of pollution ? Give a brief account
teras
table change in the physical, chemical or biological​

Answer 1

Explanation:

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 worldwide.[2][3]