how do chemical pollutants and physical hazard affect the health services
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Answer:
A chemical hazard is a toxic substance that may harm human health
Explanation:
Chemicals can be toxic because they can harm us when they enter or contact the body. Exposure to a toxic substance such as gasoline can affect your health. Since drinking gasoline can cause burns, vomiting, diarrhea and, in very large amounts, drowsiness or death, it is toxic.
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