Which of the following statements about solar energy is correct?

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Problem

Which of the following statements about solar energy is correct?

Step-by-step solution

The first statement describes passive solar heating, not active solar energy. The second statement describes active solar energy (photovoltaics), not passive. The third statement is incorrect as the initial investment for solar technology is generally high. The fourth statement accurately describes the intermittent nature of solar energy.

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Answer

Solar energy is intermittent and depends on cloud cover, time of day, and latitude.