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.
6 mar 2024
Inquinamento
L'inquinamento è un'alterazione dell'ambiente, naturale o dovuta ad antropizzazione, da parte di elementi inquinanti. Esso produce disagi temporanei, patologie o danni permanenti per la vita in una data area, e può porre la zona in disequilibrio... Wikipedia
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14 mag 2018 · Water pollution occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other ...