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(i)
Name three structures in the middle ear that help in the transmission of sound waves.
(ii)
Mention two ways in which earmuffs are important.
(i)
Give two functions of the human ear.
(ii)
Arrange the following media in order of increasing speed of sound in each of them: solids, liquids and gases.
What is a longitudinal wave?
State two differences between music and noise.
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