Question

1) WHAT IS MEAN BY POLLUTION ?​

Answer 1

Answer:

Pollution is the introduction of contaminants into the natural environment that cause adverse change. 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.

Answer 2

Answer:

Pollution is an undesirable change in the environment. Most of the abiotic components like water, air, soil are polluted day-by-day thereby polluting the environment.

or

Pollution is the addition of unwanted substances to the atmosphere that may alter its natural composition and prove detrimental for the living organisms present in the environment.