Ultrasound waves are not used for which of the following purposes? – McqOptions

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1.	Ultrasound waves are not used for which of the following purposes?
A.	bat finding its prey
B.	To find the depth of the ocean floor by ship.
C.	To diagnose defects in the internal organs of the human body
D.	locating aircraft in the sky
Answer» D. locating aircraft in the sky

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