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

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

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 ______.

Given the root of a binary tree, return the sum of all left leaves.A leaf is a node with no children. A left leaf is a leaf that is the left child of another node.

A binary tree in which all its levels except possibly the last, have the maximum number of nodes and all the nodes at the last level appear as far left as possible, is known as: