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Jenny measured the temperature of the water in a beaker, set the beaker aside, and then measured the temperature again after an hour. If the initial temperature of the water was 30°C and the final temperature was 20°C, which of the following could be the temperature of the surrounding air?

A. greater than 30°C

B. greater than 25°C but less than 30°C

C. less than 25°C but greater than 20°C

D. less than 20°C

  • Physics -

    D. less than 20°C

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