Eli5: How do oceans exist? Specifically, how was water able to build up like that on earth without evaporating?

Question

I don’t know anything about the formation of large bodies of water, so here I am.

In: 3

Answer 1

There is a shit ton of water, and that water settles at the lowest points possible. Because, like, gravity.

The topography of the land dictates where the oceans will be, it’s not like a little puddle forms somewhere randomly and turns into an ocean.