1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) north american republic containing 50 states - 48 conterminous states in north america plus alaska in northwest north america and the hawaiian islands in the pacific ocean; achieved independence in 1776 2) a trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds 3) a federal agency in the department of health and human services established to regulate the release of new foods and health-related products DOWN 1) 300 to 3000 megahertz 2) surface layer of ground containing a mat of grass and grass roots 3) an independent government agency responsible for the social security system ** Scroll down for solution. ** Are you sure you want to peek? uss hos fda