Biology, 28.01.2020 00:31 maxicanofb0011
Which gas makes up 78 percent of our atmosphere but can be used by plants only when transformed by bacteria first?
a. hydrogen
b. oxygen
c. carbon dioxide
d. nitrogen
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To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a
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The smallest parts of these that retain their original properties are called
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Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d
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Which gas makes up 78 percent of our atmosphere but can be used by plants only when transformed by b...
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