Multiple Choice
Which of the following best describes solar energy?
A) Rooftop photovoltaic electrical generation is now cheaper than power line construction to rural sites.
B) It can provide electricity,but cannot provide heat.
C) Photovoltaic capacity has not increased in recent years.
D) Experimental photovoltaic cells have reached maximum efficiency of 23 percent.
Correct Answer:
Verified
Correct Answer:
Verified
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