1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) the ratio of the distance traveled (in miles) to the time spent traveling (in hours) 2) a member of the largest ethnic group in southeastern nigeria 3) a powerful hallucinogenic drug manufactured from lysergic acid DOWN 1) a cypriot monetary unit equal to one thousandth of a pound 2) a solution containing a phosphate buffer 3) an open box attached to a long pole handle; bricks or mortar are carried on the shoulder ** Scroll down for solution. ** Are you sure you want to peek? mph ibo lsd