Changes in case, font, indentation, and centering are format elements used to help the reader of a document understand its structure.

The first row subscript in a two-dimensional array is ____.

A. 0 B. 1 C. 2 D. 3

Applying a namespace to an XML document involves identifying the elements and attributes within the document that belongs to that namespace and _______.

A. declaring the namespace B. defining the namespace C. referencing the namespace D. applying the namespace