When the molecules in the air become less dense (as in the process of hearing) ,______ has occurred.
A) myelination
B) magnification
C) compression
D) rarefaction
Correct Answer:
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Q68: It is the _ that gets waxy
Q69: Objects that vibrate _ create _ sound
Q70: Another name for the eardrum is the
A)
Q71: The intensity of sound is measured in
A)
Q72: Hertz is a method of measuring the
Q74: In the process of hearing,successive waves of
Q75: The unit of measure for the intensity
Q76: The pinna is the _ which is
Q77: When sound waves enter the ear canal,they
Q78: If you change the frequency of a
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