Chapter 23: Sound Waves - Science Mcqs for Grade 7


Q.  "Ultrasound" can

a. break up kidney stones
b. destroy the kidney stones
c. stimulate the growth of kidney stones
d. clot blood in the kidneys


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Sounds with a high frequency which a human ear can detect are known as
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MCQs:  To avoid noise from the surroundings
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