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13 questions from this quiz
It forms amino acids for proteins
78%
Nitrates (NO3−NO_3^-NO3−)
In soil or in root nodules of legumes
Peas, beans, and clover
Energy makes N2N_2N2 react with O2O_2O2
First nitrites, then nitrates
In waterlogged, oxygen-scarce soils
Nitrogen-fixing bacteria
Proteins and urea from dead organisms
To enrich soil with nitrogen naturally
Work quickly, expensive, environmental risks
Eutrophication in water bodies
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