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Biology, 21.06.2019 21:00
What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?
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Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
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Biology, 22.06.2019 14:50
This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.
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What do you call it when eroded rocks finally stop moving and pile up?...