A soda-pop can containing only steam is placed top downward in a pan of water. Whap! The can is dramatically crushed by atmospheric pressure. The reduced pressure inside the can is due to
A) contact with the relatively cooler water.
B) sudden slowing of the air and steam molecules inside.
C) condensation of steam inside.
D) reduced internal energy.
E) rapid conduction of heat to the relatively cool water.
Answer: C
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