Bathymetry is the study of…?
Correct answer: The underwater depth of ocean floors
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Martian
Player #120374466, What a difference do they make!?
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abhyaaaaaaaa............
amazing app
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Player #92723922
Remembering the Bathysphere, a pod for people to explore the ocean floor, helped me to nail this one.
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Player #120374466
Better technology for treading safely upon the waters.