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Please help! What frequency of sound wave does boat sonar use? A. kilowatts B.electromagnetic C. ultrasound D.infrasound
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Please help! What frequency of sound wave does boat sonar use? A. kilowatts B.electromagnetic C. ultrasound D.infrasound

User Ashkan Sarlak
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4 votes

Answer:

c ultrasound. that wasn't toohard

User Nerdybeardo
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