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24 votes
24 votes
Ohio Achievement Test Coach Science, Grade 5

10. Bob first blows whistle hard. Then he blows the same whistle gently. What
changed when Bob blew the whistle the second time?
POSTTEST
A pitch
B. volume
C. pitch and volume
D. frequency

User Rcaval
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1 Answer

11 votes
11 votes
I think it’s the frequency? Because it lower his voice when he whistle again
User Jeff Treuting
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