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Which of the following fix nitrogen in soil?
Single Choice
Which of the following fix nitrogen in soil?
A.
Evergreens
B.
Legumes
C.
Succulents
D.
Grasses
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[问答题] According to VSEPR theory, what is the molecular geometry of methane?
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[问答题] Southern blots are used to analyze what macromolecule?
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