Multiple Choice
The effect of nitrification is to ____.
A) convert ammonium into nitrates
B) reduce nitrates to nitrites
C) convert nitrogenous compounds into free nitrogen
D) mimic nitrogen fixation
E) convert nitrates to organic nitrogen
Correct Answer:

Verified
Correct Answer:
Verified
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Q19: An ecosystem is a community of _
Q20: The bottom or base of an energy
Q21: When describing food webs, the term "everything
Q22: The uppermost layer of soil that is
Q24: Most of the energy within an ecosystem
Q25: Most fresh water _.<br>A)is frozen as ice<br>B)exists
Q26: On an annual basis, the greatest flow
Q27: Match the trophic category to the correct
Q28: What ions form when atmospheric carbon dioxide