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Hipervinculo Ciencias de la Tierra y Medioambiente
Lake Michigan is one of the five Great Lakes. Pollution has been a problem for decades, but people are trying harder than ever to clean up the lake and to keep it from becoming further polluted.
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Can you name the Great Lakes? You only get 45 seconds to done it.
Try to locate on the map the given geophysical regions of Canada.
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