Answer :

Final answer:

Earth's formation and atmosphere, and ocean formation on early Earth are significant topics.


Explanation:

Earth's Formation: Earth initially too hot for liquid water. Water condensed from vapor and space objects, forming oceans. Continents shifted, changing ocean sizes.

Earth's Atmosphere: Formed as Earth cooled, trapping gases emitted during volcanic activity.

Ocean Formation: Oceans formed from condensed water vapor as Earth cooled, shaping the planet's features.


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