Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the physical systems or living. - презентация

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9 Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the physical systems or living organisms they are in. Pollution can take the form of chemical substances, or energy, such as noise, heat, or light energy. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring;.

10 Работу выполнил Ученик 8« А» класса ГОУ СОШ 511 Радеев Даниил Учитель Мустафина А.А.