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Which of the following statements is true? the decca navigation system is used today by the u. s. coast guard. sonar was developed during world war i to track the location of underwater mines. seismic profiling uses high frequency radio waves to map the surface of the ocean floor. all of the above. none of the above.
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Which of the following statements is true? the decca navigation system is used today by the u. s. c...
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