Final answer:
Earth's oceans formed through the condensation of water vapor and rainfall as the planet cooled, leading to the accumulation of water bodies over time.
Explanation:
Earth's oceans were formed when the planet cooled, allowing water vapor to condense and fall as rain, eventually accumulating to create the oceans.
This process began around 4 billion years ago as the Earth cooled, forming the first permanent bodies of water.
Over millions of years, water moved through the hydrological cycle, transitioning between various reservoirs through processes like evaporation, condensation, and precipitation.
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