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Card 6

Front

What is a rarefaction?

Back

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Card 7

Front

What is Language?

Back

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Card 8

Front

What is sound?

Back

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Card 9

Front

What do we use to explain high and low frequencies?

Back

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Card 10

Front

What is the normal frequency range of human hearing?

Back

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Card 11

Front

What is the lowest range humans can hear in ideal conditions?

Back

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Card 12

Front

What is the frequency range of dog whistles?

Back

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Card 13

Front

What is the frequency range of dogs?

Back

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Card 14

Front

Roughly only humans under _____ can here frequencies above 17khz

Back

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Card 15

Front

What is the Mosquito device?

Back

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