Multiple Choice
Carbon is currently being released into the atmosphere by fossil-fuel burning.Why does this release of carbon cause global warming, when carbon released by organism respiration does not?
A) Unlike respiratory CO2, it is being released faster than oceans or organisms can absorb it.
B) It is a stronger greenhouse gas because it has been buried for millions of years.
C) It is a different form of carbon than is currently present in the atmosphere.
D) Unlike respiratory CO2, it is released throughout the year instead of seasonally.
E) It is being burned by humans, who do not use safeguards as other animals do.
Correct Answer:

Verified
Correct Answer:
Verified
Q135: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q136: In 2005, bleaching of coral reefs in
Q137: Algal beds contribute very little to Earth's
Q138: Offshore oil drilling in the United States
Q139: Which is the correct order of forest
Q141: Refer to the figure. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5650/.jpg" alt="Refer
Q142: Which of these is not a factor
Q143: Briefly contrast the flow of energy and
Q144: Carbon dioxide<sub> </sub>has shown a continual increase
Q145: As atmospheric CO<sub>2</sub> levels rise, much of