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Biology, 30.01.2021 03:20 queenkalah101
Please please help ASAP
Choose the letter if the best answer
2. The Doppler effect caused an apparent
A. loudness
B. Intensity
C. Pitch
D. resonance
3. Beats result from
A. reflection
B. Refraction
C. Diffraction
D. Interference
4. The hammer, anvil, and stirrup are in the
A. outer ear
B. Middle ear
C. Inner ear
D. Cochlea
5. Sonar is used to find
A. time
B. speed
C. angle of reflection
D distance
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