Answer:
d) Searching a binary tree for a value that matches a key value is slow for tightly packed trees.
Step-by-step explanation:
Binary search tree is node based binary tree structure. It has the following features:
Left subtree of a node contains only nodes with keys less than the node keys.
Right subtree of a node contains only nodes with keys greater than the node;s key.
Left & Right subtree each must also a binary search tree.