The Calls of Echolocating Bats Are "Frequency Modulated," Meaning That

question 18

Multiple Choice

The calls of echolocating 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 an 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.
• E)None of the choices is correct

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Definitions:

Aveyron

A region in France, known for its picturesque landscapes and historical significance.

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The method through which people acquire and assimilate the customs, principles, actions, and interpersonal abilities relevant to their community or social circle.

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