Compared with the amount of natural nitrogen fix-ation that occurs globally, human industry fixes about _______ amount.
A) one-hundredth of that
B) one-tenth of that
C) one-quarter of that
D) the same
E) five times that

Question

Quizplus · Accepted Answer

Human industry fixes approximately the same amount of nitrogen as natural processes globally, primarily through the Haber-Bosch process for fertilizer production.

Compared with the Amount of Natural Nitrogen Fix-Ation That Occurs