What is the source of most of the dissolved materials found in the ocean?

Question

Quizplus · Accepted Answer

Although there are multiple sources of the dissolved materials in the ocean, much of the material comes from the weathering of surface rocks from rain and waves. The composition of the ocean is different from rivers because there is the addition of excess volatiles coming from the upper mantle. Information can be found in the section Seawater Consists of Water and Dissolved Solids.

What Is the Source of Most of the Dissolved Materials