Braingle Lite



Cool Down

Category:Science
Submitted By:od-1
Fun:*** (2.43)
Difficulty:* (0.85)



Mrs. Duffus would often complain when Duffus left the door to the basement open. "The cool air from the basement makes the upstairs cold; close that door, Duffus!" she would rant. "It won't do any such thing," Duffus would reply and go on his way. Duffus was right, but why?

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