History, 20.09.2020 02:01 km8115

Your class is collecting macroinvertebrates (insects & other small animals found in water) to determine the pollution level in a local creek. Each macroinvertebrate that you collect has a 'Pollution Rating' between 0 and 10. A rating of 0 means the animal is usually found in very polluted water. A rating of 10 means it is only found in very clean water. A total of 100 insects are caught, and the total number of points is added up. Your data supports all BUT one of the following conclusions.

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Your class is collecting macroinvertebrates (insects & other small animals found in water) to de...