Download Class 7 Science Notes App Download | Sound Waves e-Book PDF
Class 7 Science Admission Tests: Practice Test 32 (Chapter 23)
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The Quiz: An animal that can hear sounds with low frequency than human ear is; "Sound Waves" App APK Download with answers: pigeon, whale, snake, and dog to study online school courses. Practice Frequency and Pitch MCQ Questions, download Kobo eBook (Free Sample) for online certifications.
An animal that can hear sounds with low frequency than human ear is
In air, change in pressure produces
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