Question

How long ago did oceans begin to form?

Answer 1

it is estimated to be around 3.8 billion years ago.

Step-by-step explanation:

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Answer 2

3.8 billion years ago

Step-by-step explanation:

The ocean formed billions of years ago. Over vast periods of time, our primitive oceans formed. Water remained a gas until the Earth cooled below 212 degrees Fahrenheit . At this time, about 3.8 billion years ago, the water condensed into rain which filled the basins that are now our oceans.