How are dogs made alert by the crime department ? Explain. – InterviewSolution

1.	How are dogs made alert by the crime department ? Explain.
Answer» Solution :Dogs can hear sounds of frequenciesgreaterthan 20 KHZ, which can not be heard by HUMAN beings. So, the crime department use galton WHISTLE to ALERT the dog by producing ultrasound waves which are heard by dogs.

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How are dogs made alert by the crime department ? Explain.
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