Multiple Choice
The two ways in which humans have most interfered with the carbon cycle are
A) clearing trees and plants and aerobic respiration.
B) aerobic respiration and burning of fossil fuels.
C) respiration and photosynthesis.
D) burning of fossil fuels and clearing trees and plants.
E) respiration and clearing trees and plants.
Correct Answer:

Verified
Correct Answer:
Verified
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