Multiple Choice
Nitrogen gas
A) is very unstable.
B) may be reduced, at high energy cost, to ammonia.
C) is a readily available source of nitrogen to most plants.
D) is formed by nitrification.
E) is a significant, direct contributor to the nitrogen in humans.
Correct Answer:

Verified
Correct Answer:
Verified
Q46: Refer to the graph showing the response
Q47: Decomposed plant litter produces a dark-colored organic
Q48: A newly identified species of trigger plant
Q49: Which class of chemical, in addition to
Q50: Carnivorous plants generally trap<br>A) molluscs.<br>B) velvet worms.<br>C)
Q52: Plants do not need potassium for<br>A) ion
Q53: The last micronutrient to be listed as
Q54: The enzyme that fixes nitrogen in Rhizobium
Q55: Soils can have as many as _
Q56: Of the steps below, which would be