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Which organisms lived during the centozoic era?
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Although the two theories differ on the evolutionary path of dinosaurs, they agree that
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Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Blank is a rock with a find dark texture that makes up the oceanic crust
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What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
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Which organisms lived during the centozoic era?...
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