1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness 2) sit and travel on the back of animal, usually while controlling its motions 3) (greek mythology) greek god of war; son of zeus and hera; identified with roman mars 4) a common cyst of the skin; filled with fatty matter (sebum) that is secreted by a sebaceous gland that has been blocked DOWN 1) a pouch in many birds and some lower animals that resembles a stomach for storage and preliminary maceration of food 2) knowledge gained through tradition or anecdote 3) an important port of yemen; located on the gulf of ____; its strategic location has made it a major trading center of southern arabia since ancient times 4) a state of confusion and disorderliness ** Scroll down for solution. ** Are you sure you want to peek? clam rode ares wens