The dissolved solids come from 'weathering' processes of the continental land masses rocks being dissolved by rain water and flowing out to sea with the rivers.
(The dissolved solids; come; from 'weathering' processes of the continental land masses rocks) (the continental land masses rocks; being dissolved; by rain water)
The dissolved solids the continental land masses rocks
come being dissolved
from 'weathering' processes of the continental land masses rocks
by rain water