State any two ways which can lead to contamination of water.
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Water can be contaminated in several ways. It can contain microorganisms like bacteria and parasites that get in the water from human or animal feces. It can contain chemicals from industrial waste or from spraying crops. Nitrates used in fertilizers can enter the water with runoff from the land.
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Water can be contaminated in several ways. It can contain microorganisms like bacteria and parasites that get in the water from human or animal feces. It can contain chemicals from industrial waste or from spraying crops.
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