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about 4 billion years ago

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Q: When did a global ocean cover the planet?
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What is the Ocean surface area of the planet?

Earth's oceans cover about 70% of the planet's surface.


What is the largest ocean and how much of the earth's surface does it cover?

The Pacific Ocean covers about 28% of the global surface. It is larger than the total land area of the world.


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What are the 4 different kinds of oceans?

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