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Before Sam left for work, he noticed that his car was covered with snow and so went out and started the engine to let it warm up before he left. After breakfast, Sam went back to his car to leave for work and noticed that there was no longer any snow on the hood of the car, but the rest of the car still had snow on it. Which of the following correctly explains what Sam witnessed?
A. Drag
B. Lift
C. Weight
D. Thrust

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AL2006
The question before or after this one on your homework has something to do with airplanes. These answer choices belong with that airplane question. They're not the choices for the snowy-car question. None of them is the correct answer.

You'll want to look for a set of choices that might include "conduction" or "convection".

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