In a BST, if a node has no children, it is known as a ______.root nodeleaf nodeinternal nodesubnode

n a BST, if a node has no children, it is known as a ______.

In a binary tree, the node that is directly above another node is called the _____ of that node.a)parentb)leafc)childd)sibling

If we want to delete a node with two children in a BST, which node can replace it?

In a binary tree, what is the term for nodes that share the same parent?A. RootB. Left ChildC. SiblingsD. Descendants

Name the node whose children has been currently generated b in state space tree of backtracking method.a.Sate Nodeb.E-Nodec.Live Noded.Dead Node