Special dog whistles make sounds that people cannot hear, no matter how hard you blow the whistle. Why can't people hear these whistles?
O i) The pitch is too high.
O ii) The sound is too long.
O iii) The volume is too low.
O iv) The whistle is too small.
Answers
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Answer:
the pitch is too high
Explanation:
the pitch is too high
Answered by
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Answer: answer is option a
Explanation:
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