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Complete the following sentences : (a) An average person can hear sound of frequencies in the range ___ to ___. (b) Ultrasound is of frequency ___ . (c) Infrasonic sound is of frequency ___ . (d) Bats can produce and hear ___ sound. (e) Elephants produce ___ sound. |
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Answer» Complete the following sentences : (a) An average person can hear sound of frequencies in the range (b) Ultrasound is of frequency (c) Infrasonic sound is of frequency (d) Bats can produce and hear (e) Elephants produce |
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