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the paper cup cannot become appreciably hotter than the water it contains

Question
the paper cup cannot become appreciably hotter than the water it contains

Test Answer

18. A water-filled paper cup held in a flame will not catch fire. This is because
a. the inside of the paper is wet.
b. water is an excellent conductor of heat.
c. paper is a poor conductor of heat.
d. the paper cup cannot become appreciably hotter than the water it contains.

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