The process by which plant biomass is converted to NH3 (ammonia) and NH4 (ammonium salts) is called ________.
A) nitrogen fixation
B) denitrification
C) nitrification
D) mineralization
Correct Answer:
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Q17: The sulphur cycle differs from the phosphorus
Q18: Bacteria are an important component of the
Q19: Atmospheric sulphur often comes from _.
A) combustion
Q20: The largest atmospheric constituent is _.
A) carbon
Q21: Rhizobia refers to _.
A) nitrogen fixing fungi
B)
Q23: Carbon dioxide gas accounts for _ of
Q24: Large amounts of carbon can be stored
Q25: Humans have altered the carbon cycle via
Q26: Water moves through the hydrological cycle fuelled
Q27: Evapotranspiration is part of the _.
A) sulphur
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