Scientists have assumed, therefore, that most of the chemical composition of ocean water is derived from the weathering of rocks.
(Scientists; have assumed; therefore; that most of the chemical composition of ocean water is derived from the weathering of rocks) Context(Scientists have assumed,List([0, 23))):(most of the chemical composition of ocean water; is derived; from the weathering of rocks)
Scientists have assumed,List([0, 23))
Scientists most of the chemical composition of ocean water
have assumed is derived
therefore that most of the chemical composition of ocean water is derived from the weathering of rocks
from the weathering of rocks