son 15 is a tree in which no node can have more than two children. Ted Select one: O a. tree b. binary tree ag question C. complete binary tree d. none tion 16 if every non-leaf made in a binary tree has non-empty left and right sub trees this is called: et ered Select one: a. binary tree ed out of O b. tree lag question O C. 2- tree d. complete binary tree