Where does most of the water vapor in the atmosphere originate? plants oceans glaciers snowfields

Most of the water vapor in the atmosphere originate from the ocean.

The correct answer is Oceans

It also includes seas and rivers and lakes, but the majority comes from oceans. Oceans get heated up and the water evaporates and the humidity increases and things like clouds form. Then the rain falls and the water goes back to earth and back into oceans.