Question

What is pollution ?_______​

Answer 1

Answer:

Pollution is the thing caused by pollutants.Pollution is made  up of unwanted ,harmful substances.Pollution is of three types-air,water and soil/land.Pollution causes harm to all  living organisms

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Answer 2

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.