One of the proposed solutions to global warming is to grow a large number of trees. This could be effective because:
A) plants are the base of all ecological food chains.
B) trees would move carbon from CO2 in the atmosphere to organic molecules.
C) plant carbon is different from atmospheric carbon.
D) the gross primary production of trees moves CO2 into soil.
E) when decomposed, plant carbon is impossible to convert back to CO2.
Answer: B
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