The freshening and warming of the deep water flowing back into the Atlantic is consistent with global warming but could also have natural causes.
(the deep water; flowing; back into the Atlantic) (The freshening and warming of the deep water; is; consistent with global warming) (The freshening and warming of the deep water; could have; natural causes)
the deep water The freshening and warming of the deep water The freshening and warming of the deep water
flowing is could have
back into the Atlantic
consistent with global warming
natural causes