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What are four key elements of the study of economics?
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Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above
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As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes
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Biology, 22.06.2019 08:30, malumnugget
Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because
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List three reasons why the connective tissue sheaths of skeletal muscle are important...
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