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Bats and dolphins both hear a ______ than humans do...

a.smaller range of pitches
b.smaller range of frequencies
c.larger range of resonances
d.larger range of pitches and frequencies

I am not certain exactly what a 4th grade teacher is supposed to be doing with this subject, but there is NO difference in pitch and frequency in common usage. Either a, or B is correct.

I'm 4th grade and I know nothing of bats and dolphins. This is a question of my spring packet.

The difference between pitch and frequensy is frequency is the characteristics of a wave length, and pitch is the result that we hear depending if it has a high or low frequency.

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