Why we cannot hear the screaming …

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Posted by Ashbah Ahmed 6 years, 1 month ago
- 2 answers
Gaurav Seth 6 years, 1 month ago
We cannot here the screams of bats because the bats produce ultrasonic sounds[sounds above the frequency of 20000 Hz ] which we humans cannot hear. we cannot hear the sound of bats as they produce ultrasonic sound.
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Ishan Chitlange 6 years, 1 month ago
1Thank You