Automatic page breaks are determined by ____.

A) paper size
B) line spacing
C) margin settings
D) all of the above

All three factors (paper size, line spacing, and margin settings) can affect where automatic page breaks occur in a document. Paper size determines how much content can fit on a page, line spacing affects how much vertical space each line of text takes up, and margin settings determine how much white space surrounds the text on the page. All these factors contribute to the placement of automatic page breaks.