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The pH of healthy lakes

The ___________ are five freshwater lakes in central North America, along the border between the United States and Canada.(1
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The ___________ are five freshwater lakes in central North America, along the border between the United States and Canada.(1
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The ___________ are five freshwater lakes in central North America, along the border between the United States and Canada.(1
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The ___________ are five freshwater lakes in central North America, along the border between the United States and Canada.(1
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The pH of healthy lakes is around 6.0. Due to acid rain, the pH of our lakes & rivers is decreasing. At low pH levels, producers
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2. asked by Lucy
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describe the various ways in which lakes are formeda] lakes formed due to faulting b]lakes formed due to volcanic activity
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2. asked by Mark
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How many lakes does the National Trust in England have? It's hard to find the information about that on the Internet. About 136
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2. asked by rfvv
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Posted by rfvv on Thursday, October 18, 2012 at 9:03pm.How many lakes does the National Trust in England have? It's hard to find
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The Great Lakes are the largest group of fresh water lakes in the world. Which of the letters on the map is located nearest to
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The Great Lakes are the largest group of fresh water lakes in the world. Which of the letters on the map is located nearest to
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