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Dioxins are chlorine-containing chemical compounds formed and emitted into the atmosphere usually as byproducts of human activity - waste incineration and fuel combustion being common examples. They are also formed by natural processes such as forest fires and volcanoes. Some dioxins have harmful properties and could, in sufficient concentration, be harmful to the environment and human health.

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Del af tale: noun
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Branche/domæne: Natural environment
Category: Climate change
Company: BBC
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