____ are used to check for the presence or absence of something.

____ buttons can be placed into a group so that selecting one deselects all of the others.

To apply an internet explorer filter in compliance with correct css syntax, add the style ____.

Increasing the cellpadding value will what ?

Which HTML attribute is used to set the space between cells in an HTML <TABLE> element?

What is the purpose of this HTML statement? <SCRIPT type="text/javascript">