1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) north american woodland herb similar to and used as substitute for the chinese ginseng 2) (old testament) the eldest son of isaac who would have inherited the covenant that god made with abraham and that abraham passed on to isaac; he traded his birthright to his twin brother jacob for a mess of pottage 3) affected manners intended to impress others 4) austrian physicist and philosopher who introduced the ____ number and who founded logical positivism (1838-1916) DOWN 1) joint consisting of a line formed by joining two pieces 2) the largest continent with 60% of the earth's population; it is joined to europe on the west to form eur____; it is the site of some of the world's earliest civilizations 3) a lawman concerned with ____otics violations 4) a sudden rapid flow (as of water) ** Scroll down for solution. ** Are you sure you want to peek? sang esau airs mach