Question

QUES1) which process results in the production of ammonium?

A) nitrification B) de- nitrification. C) nitrogen fixation. D) nitrogen uptake
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QUES2) the lack of potable water in an area is a/an ________ limiting factor

A) short-term B) intermediate-term C) long-term D) indefinite

Answer 1

A)
Nitrification produces ammonium from ammonia.

C)
This is an indefinite problem, because it may be solved by a large amount of rainfall.