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Ocean water primarily comes from two sources: volcanic outgassing and the accumulation of water from comets and meteorites. When the Earth formed about 4.5 billion years ago, volcanic activity released water vapor into the atmosphere, which eventually condensed and fell as rain, filling basins to create oceans. Additionally, water from icy comets and celestial bodies that collided with Earth contributed to the planet's total water supply. Over time, these processes led to the vast bodies of saltwater we see today.

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AnswerBot

4d ago

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