Deposits of Coal Are Important in the Carbon Cycle Because

question 35

Multiple Choice

Deposits of coal are important in the carbon cycle because they

• A)keep humans from burning more trees by serving as a fuel source.
• B)serve as a reservoir of carbon that will eventually be released into the ecosystem.
• C)lock up carbon so that it can never be returned to the atmosphere to make global warming increase.
• D)make carbon readily available to plants through their roots growing down into the coal deposit.
• E)serve as short-term storage for carbons.