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Over a year, water samples were taken at two lakes as indicated by site 1 and site 2.
Which is the BEST conclusion about the two sites?
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Site 2 has a high level of organic pollution.
Site 2 is an oligotrophic lake.
Site 1 is located near an agricultural area.
Site 1 has a high microbial count.
Site 2 is located in the Southern Hemisphere