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Ultrasound consists of sound at frequencies most people can hear?

User Ajmartin
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Answer:

The units of frequency are called hertz (Hz). Humans with normal hearing can hear sounds between 20 Hz and 20,000 Hz. Frequencies above 20,000 Hz are known as ultrasound.

Step-by-step explanation:

User IgorZ
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the answer is 2 to 15 MHz

User BartekB
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