How Might Solar Heat Be Most Efficiently Used to Generate

question 45

Multiple Choice

How might solar heat be most efficiently used to generate colder temperatures?

• A)This is a trick question and is not possible.
• B)Use the solar heat to evaporate water. As the water evaporates, the temperature drops.
• C)Use the solar heat to generate electricity, which drives a device that lowers the temperature.
• D)Use the solar heat to inflate a balloon. Release the balloon and the temperature of the air escaping the balloon drops.

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Definitions:

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An economist, historian, and author known for his work on globalization, economics, and the history of business and technology.