For items 7-9 refer to the picture below:
A
B
7. Based on the picture above, which of the
following has the highest pitch?
Α.Α
C. Cand D
BB
D. A and B
8. Based on the picture above, which of the
following has a high pitch and loud?
A.A
с. С
B.B
D.D
9. Based on the picture above, which waves
is the softest sound?
A.A
С. С
B. B
D. D
IC С
D
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Answer:
7.A
8.C
9.B
Explanation:
I hope it helps (ʘᴗʘ✿)