The corticobulbar motor tract begins in the and ends in the spinal cord, brainstem cortex, brain stem brainstem, spinal cord brain stem, cortex

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.