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what can influence water quality in a lake or river?
Pamela_1988 asked: I can only think of- pollution from farming -turbulence -having a dam, -how about the amount of sunlight??? Im so not sure about this. Help! Any suggestion would be great with links...
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What is the water quality of beaches on Lake Michigan. More specifically,...
whatsreallygood asked: The lifeguards were telling people to leave the water on Tuesday,July 18,2006. I would like to swim but I would like to know the level of pollution.
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