Humans fix Nitrogen into the soil by ________.
A) applying fertilizer
B) clearing the land
C) planting large tracts of land with corn
D) applying calcium carbonate
E) using fossil fuels

Question

Quizplus · Accepted Answer

Humans fix Nitrogen into the soil by applying fertilizer, which contains Nitrogen in the form of ammonium, nitrate, or urea. The Nitrogen in the fertilizer is taken up by plants and incorporated into their tissues.

Humans Fix Nitrogen into the Soil by ________