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Biology, 21.06.2019 22:00
In what for do plants utilize nitrogen? why do they need nitrogen?
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Biology, 22.06.2019 05:50
Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
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Biology, 22.06.2019 09:30
The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?
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Homeostasis can require the control of many different variables in organisms. homeostasis is very im...
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