A blueberry pie will be a net absorber of energy when its temperature is
A) higher than its surroundings.
B) lower than its surroundings.
C) none of these
Correct Answer:
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Q50: The temperature of outer space is
A)zero.
B)about 2.7
Q51: A red-hot piece of coal will cool
Q52: Glass in a florist's greenhouse acts as
Q53: Which body glows with electromagnetic waves?
A)the Sun
B)the
Q54: When you're ready for the hottest sips
Q56: A liter of cold water will warm
Q57: Waves emitted by the Sun and terrestrial
Q58: Both black and white road surfaces absorb
Q59: A good reflector of radiation is a
A)good
Q60: It is commonly thought that a can
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