1 2 3 4 1 _ _ _ _ 2 _ _ _ _ 3 _ _ _ _ 4 _ _ _ _ ACROSS 1) an oil reservoir in an internal combustion engine 2) a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms 3) the boundary of a surface 4) a person who is physically weak and ineffectual DOWN 1) agitation resulting from active worry 2) the official literary language of pakistan, closely related to hindi; widely used in india (mostly by moslems); written in arabic script 3) the number that is represented as a one followed by 6 zeros 4) liquid excretory product ** Scroll down for solution. ** Are you sure you want to peek? sump tree edge wuss