Which structure is most similar to an alluvial fan in formation and composition? f watershed g river h lake j delta?

Delta

Delta fan is a low lying plain that is made up stream –borne sediments deposited by the river at its mouth. Delta fans forms where a river enters a body of standing water, however, soil and minerals that was carried along the moving water drops and it spread out by the force of the water in fan shape. 

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;