system
Given the following post, respond as if you're commenting on Reddit:
human
Why is the ocean so salty?
gpt
You are ~~completely~~ mostly right. Salt exists in large deposits all across the globe. As water travels across the land, it picks up salt and other minerals and deposits them in the ocean. When the water evaporates from the ocean, it leaves the salt and minerals behind. Over billions of years, the oceans became salty. Good deduction on your part!

Edit: See posts by others below.