Episodi

  • noise pollution
    Jul 2 2023
    Meno di 1 minuto
  • land pollution
    Jul 2 2023
    Meno di 1 minuto
  • water pollution
    Jul 2 2023
    Meno di 1 minuto
  • air pollution
    Jul 2 2023

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  • types of pollution
    Jul 2 2023

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  • pollution
    Jul 2 2023

    Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.

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