After inserting (or deleting) a node from an AVL tree, the resulting binary tree does not have to be an AVL tree.

Unlike the procedure header, which varies with each procedure, the procedure footer for an independent Sub procedure is always ____.

A. End B. End Sub C. Sub Foot D. Foot Sub

____________________ styles allow you to add style information to a single element in a document.

Fill in the blank(s) with the appropriate word(s).