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Introductory Biology
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Introductory Biology Final - Part 3 of 3!
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Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 18
Problem 19
Problem 20
Problem 21
Problem 22
Problem 23
Problem 24
Problem 25
Introductory Biology Final - Part 3 of 3!
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29. The Working Plant / Soil / Problem 21
Problem 21
In the nitrogen cycle, how is atmospheric nitrogen (N2) primarily converted into forms that can be used by plants?
A
Through photosynthesis
B
Through nitrogen fixation by bacteria and archaea
C
By direct absorption through plant leaves
D
By precipitation
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