What percentage of commercial energy consumed in North America is wasted?
A) about 84%
B) about 74%
C) about 64%
D) about 54%
Correct Answer:
Verified
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A) Natural gas is
Q5: Which statement best describes fuel-cell cars?
A) They produce
Q6: What percentage of commercial energy consumed in
Q7: Which water heater is the most effective?
A) an
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Q10: What is the most inefficient method of
Q11: What is one way that industry can
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Q14: What percentage of total heating and cooling
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