Nitrogen fixation is an energy-demanding process because of the strong ________ bond between the two nitrogen atoms in the N2 molecule.
A) single covalent
B) double covalent
C) triple covalent
D) ionic
E) hydrogen
Correct Answer:
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Q12: Phosphorus is an important constituent of
A) DNA.
B)
Q13: The largest reservoir of phosphorus in most
Q14: In aquatic ecosystems, leaves with high lignin
Q15: Which of the following is NOT an
Q16: In Judy Meyer and Gene Likens' study
Q18: "Nitrification" is the conversion of
A) carbon compounds
Q19: Nitrogen enrichment of ecosystems by human activity
Q20: The process of denitrification is
A) energy-yielding and
Q21: _ is the movement of nutrients between
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