Identify the true statement about drainage divides. choose one: a. the divide that runs along the crest of the appalachians separates the atlantic ocean drainage from the arctic ocean drainage. b. precipitation that falls on the west side of the continental divide flows to the gulf of mexico and the atlantic ocean. c. a drainage divide is a ridge that separates one watershed from another. d. the ultimate base level for streams on the east side of the continental divide is the pacific ocean.