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What is pollution?

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What is pollution?
  • 1 answers

Shrawan Kashyap 6 years, 10 months ago

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. Pollution is often classed as point source or non point source pollution. In 2015, pollution killed 9 million people in the world.

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