arbender441 arbender441
  • 13-02-2020
  • History
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During World War II, the military imaged the seafloor by sending pulses of sound waves down through the water and measuring the time it took for the sound to bounce off the seafloor and return to the receiver. This method, illustrated here, is called_____________.

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Dmgdane Dmgdane
  • 13-02-2020

Answer:

D line 4

Explanation:

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