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Question 2: Compare and Contrast Earth Diver and ExNihilo (part two) Now Earth Diver is very different from Ex Nihilo. Earth Diver is a common character in various traditional creation myths. Usually a supreme being sends an animal into the primal waves to find bits of sand or mud with which to build habitable land.
For diving with a rebreather, see rebreather diving. A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content of each breath. Oxygen is added to replenish the amount metabolised by the user.