Multiple Choice
The calls of echolocation bats are "frequency modulated," meaning that
A) each pulse repeatedly rises and falls in frequency.
B) the rate of pulse production declines as the bat nears the object.
C) the frequency of the pulse is high at the beginning and drops toward the end.
D) the transmission-to-reception time increases as the bat nears an object.
Correct Answer:
Verified
Correct Answer:
Verified
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