You are given 100 acres of land and asked to use the land for long-term reduction of atmospheric CO2 levels. Which of the following is the best use of the land for this purpose?
A. Plant a rapidly growing grass that can be
harvested every year and used to make
ethanol that is added to gasoline.
B. Plant slow-growing, bristle-cone pine trees
that are known to live for thousands of years
and reach a height of about 6 feet.
C. Plant corn that is used to feed pigs that are
then harvested for sausage meat that is sold
at the grocery store.
D. Plant a regular lawn and use the land as a
park to encourage the local population to
exercise more.
E. Plant trees that grow rapidly, reach a huge
size, and live for a long time.
E
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