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Waste-to-energy plants generally cost more to oper...
Single Choice
Waste-to-energy plants generally cost more to operate than coal-fired plants. What benefit do they provide?
A.
Fewer sulfur emissions
B.
Fewer nitrogen emissions
C.
More efficient burning
D.
Reducing landfill disposal
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[问答题] What cardinal direction should solar panels face, if a power utility’s primary goal is to combat pea...
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