Reading · Part 7

Missing ParagraphsExercise 56 of 64

Mapping the Ocean Floor

It is a frequently cited irony that we have more detailed maps of the surface of Mars than we do of the floor of our own oceans. Despite covering more than seventy percent of the planet's surface and exerting a decisive influence on climate, weather, and biodiversity, the deep ocean remains, in cartographic terms…

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Missing Paragraphs: tips and strategyHow to approach this part of the exam