1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) fastener consisting of a resinous composition that is plastic when warm; used for ____ing documents and parcels and letters 2) scottish philosopher whose sceptical philosophy restricted human knowledge to that which can be perceived by the senses (1711-1776) 3) a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood 4) a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor DOWN 1) a vessel that carries passengers or freight 2) the basic monetary unit of most members of the ____pean union (introduced in 1999); in 2002 twelve ____pean nations (germany, france, belgium, luxembourg, the netherlands, italy, spain, portugal, ireland, greece, austria, finland) adopted the ____ as their basic unit of money and abandoned their traditional currencies 3) a hebrew shepherd and minor prophet 4) a transparent optical device used to converge or diverge transmitted light and to form images ** Scroll down for solution. ** Are you sure you want to peek? seal hume iron poss