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The largest source of available freshwater on earth is lakes rivers aquifers ice caps
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Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
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Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons
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Types of scientific inquiry that biologist engage in that cannot be completely controlled
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What are the student's observations and inferences before he starts his investigation?
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The largest source of available freshwater on earth is lakes rivers aquifers ice caps...
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