Consider this tree and from the statements below select those that are true. Note that the numbers in the circles are the keys. Node with key 76 is the left subtree of node with key 67 It is a complete binary tree Node with key 22 is a leaf Node with key 21 is a descendent of node with key 35 It is a full (proper) binary tree Node with key 27 is an acestor of node with key 21 It is binary search tree Node with key 35 is a right child