Biology, 02.03.2020 18:25, durham953

Sonar stands for “sound navigation and ranging”. What assumption was proved wrong after the invention of sonar A:the age of the ocean floor is variable B: the ocean floor is change C: the ocean floor is change D: the ocean floor is denser that continental crust

Sonar stands for “sound navigation and ranging”. What assumption was proved wrong after the inventio

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Sonar stands for “sound navigation and ranging”. What assumption was proved wrong after the inventio...