Coal Studies Coal is used to produce one-third of the total energy and more than one-half of the electricity generated in the United States.
(Coal Studies Coal; is used; to produce one-third of the total energy and more than one-half of the electricity) (Coal Studies Coal; to produce; one-third of the total energy and more than one-half of the electricity) (the electricity; generated; L:in the United States)
Coal Studies Coal Coal Studies Coal the electricity
is used to produce generated
to produce one-third of the total energy and more than one-half of the electricity
one-third of the total energy and more than one-half of the electricity
L:in the United States