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Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.
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Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?
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'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.
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What does the nucleic acid copies dna so what can be made ?...
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