# 1-4 MULTIPLE CHOICE circle one answer 2 points each 1) For the tree below, the PreOrder traversal is: a) BCA b) BAC c) ABC d) CAB e) CBA 2) For the tree below, the depth of node E is a)O b)1 c) 2 d) 3 3) For the tree below, the height is a) O b) 1 c)2 d)3 e)4 4) For the tree below, the external nodes are a) D, E,F, G b)ABC c) There are no external nodes