Ques1) which process results in the production of ammonium?
a) nitrification b) de- nitrification. c) nitrogen fixation. d) nitrogen uptake
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
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Ответ:
Nitrification produces ammonium from ammonia.
C)
This is an indefinite problem, because it may be solved by a large amount of rainfall.
Ответ:
1.08 grams
Explanation:
first, we need to find the number of moles
we divide 12.1/22.4=0.54 moles
we multiply the number of moles with the molecular mass 0.54x2=1.08g