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What was the importance of sonar and marine surveys in post-drift studies?

Answer and explanation

Correct answer: They revealed hidden ridges and trenches of the ocean floor

Marine surveys clarified the actual relief of the ocean floor. This improved understanding of a dynamic Earth.

Related tags

SonarMarine-SurveyOcean-FloorPost Drift Studies And Convectional Current TheoryDistribution Of Oceans And ContinentsGeographyClass 11 Mcq

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