Mr lyall was expecting to hear a (1) with a (2)sound and instead, the student was playing a (3) and a (4). Choice 1:
lower frequency
higher frequency

Choice 2:
Lower amplitude
higher amplitude

Choice 3:
Lower frequency
higher frequency

Choice 4:
lower amplitude
higher amplitude

Mr lyall was expecting to hear a (1)HIGH with a (2)LOWERsound and instead, the student was playing a (3)HIGH and a (4)LOWER

kasi sabe nmn sa question Mr lyall was expecting to hear a HIGHER FREQUENCY with a LOWER SOUND sound and instead, the student was playing a LOUDER SO ITS HIGHER and a LOWER TALK

(1)lower frequency

(2)lower amplitude

(3)higher frequency

(4)higher amplitude

Mr. lyall wanter to hear a music (lower frequency and lower amplitude) but, the student was playing a noise (higher frequency and higher amplitude)

Explanation:

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conduction, convection, radiation