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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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Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale
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Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
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