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The giant hydrothermal vent tubeworms aren’t called “extremophiles” (they live in extreme environments) for no reason. Colonies of these tubeworms live on hydrothermal vents spewing hot, mineral-rich water that, in some places, can reach an astounding 350 degrees Celsius (660 degrees Fahrenheit).
Carbon dioxide in the atmosphere is taken up by the ocean. In fact, scientists estimate that about 45% of the carbon dioxide emitted by humans has been absorbed by the ocean. What happens to it in the ocean?