A parcel of warmed air rises due to
A) random molecular motion.
B) radiation.
C) buoyancy.
D) increased energy of its molecules.
Correct Answer:
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Q20: Which of these are good insulators?
A)feathers.
B)wood.
C)snow.
D)all the
Q21: The lower the temperature of an object,
Q22: Terrestrial radiation is
A)emitted by Earth.
B)emitted by the
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A)is
Q29: Molecules in a region of expanding air
Q30: If you release a single molecule in
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