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Design an investigation about the effect of carrying backpacks on students health using the steps of the scientific method
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Genetic diversity is the variation in the genes of an entire species. each circle represents a population of a particular species in different habitats. select the population with maximum genetic diversity
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Preventive health behaviors rarely have much influence on health as most diseases are genetic. a. true b. false
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Which nutrients contain nitrogen in addition to carbon hydrogen, and oxygen? a) vitamins. b) proteins. c) carbohydrates. d) fat
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Design an investigation about the effect of carrying backpacks on students health using the steps of...
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