Multiple Choice
To date, humans have interfered with all of the biogeochemical cycles on Earth, but this interference has been of the greatest magnitude, in terms of human-induced changes in climate, in the
A) hydrologic cycle.
B) nitrogen cycle.
C) carbon cycle.
D) sulfur cycle.
E) phosphorus cycle.
Correct Answer:

Verified
Correct Answer:
Verified
Q54: Which process plays the most important role
Q55: Figure 55-2 <br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8678/.jpg" alt="Figure 55-2
Q56: The enzyme nitrogenase is important in which
Q57: An herbivore occupies the third trophic level.
Q58: In a food chain, producers occupy the
Q60: Plant roots absorb nitrate or ammonia and
Q61: What is the least likely effect of
Q62: Toxic chemicals introduced into the environment eventually
Q63: In an ecosystem, which measure of energy
Q64: Nitrogen fixation is the process by which