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Water pollution is one of the serious types of pollution. water pollution can have many different causes. Factories dump industrial waste into lakes and rivers. Or farm using pesticides to kill insects and herbicides to kill weeds. So, to pretect water pollution, factories shouldn't dump industrial into lakes and rivers. Farms shouldn't use perticides to kill insects and herbicides to kill weeds. These are very easy ways to protect water pollution. We must follow them to have more clean water.
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