chris6626
chris6626
09.12.2019 • 
Chemistry

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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