Pollution : Best Documentary 2017

Описание к видео Pollution : Best Documentary 2017

Pollution : Best Documentary 2017

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.

Read more : https://en.wikipedia.org/wiki/Pollution

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