2 Points Which of the following is a rhetorical question? A. What qualifies a source of energy as renewable or nonrenewable? O B. What are some promising techniques for making solar cells more efficient?

2 Points

Which of the following is a rhetorical question?

A. What qualifies a source of energy as renewable or nonrenewable?
O
B. What are some promising techniques for making solar cells more
efficient?
O
C. Which do you think will run out first? Coal and oil or wind and
sunlight?
O
D. Is wind or solar power the most cost effective alternative to fossil
fuels?
SUBMIT

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