Zusammenfassung der Ressource
Frage 1
Frage
The mixing of unwanted and toxic substances into air is called
Antworten
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pollution
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air pollution
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both
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none
Frage 2
Frage
Give examples of water pollutants.
Antworten
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Dead bodies
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smoke
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idols
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none
Frage 3
Frage
Radioactive pollutants are the pollutants of radioactive reaction.