Class 7 Science MCQs (Grade 7) From Textbook
Class 7 Science Notes App Free Download | Sound Waves e-Book PDF
Class 7 Science MCQs – 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 Chapter) 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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