Biology, 29.01.2021 02:30 lashondrastokes83
Fewer nutrients are found at the headwaters of a river where the flow of water begins, yet there are still organisms that live in that part of the river system. How might nutrients make their way from downstream to the upstream headwaters of the river?
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Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience
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Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.
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Several billion years ago which gas was the least prevailant in the atmosphere
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