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Contamination is the presence of unwanted or harmful substances in a material or environment. This can include anything from bacteria and viruses to toxic chemicals and radiation. Contamination can occur naturally, such as in the case of volcanic ash or groundwater pollution, or as a result of human activity, such as industrial waste or agricultural runoff.Contamination can have a range of negative impacts on human health and the environment. For example, exposure to certain contaminants can cause illness or disease, while others can harm ecosystems or wildlife. Contamination can also lead to economic impacts, such as reduced property values or increased costs for cleanup and remediation.

Forms of Contamination

Effects of Contamination

Also see

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