Fire suppression systems typically work by denying an environment one of the three requirements for a fire to burn: a match, fuel, and oxygen.

Which of the following best describes a style manual?

A) A set of standards for designing documents B) A reference document providing rules for conducting research C) A description of various letter styles, including block and modified block D) A publication listing all Word styles, such as Heading and Body Text

What is the role of 'foo' in the PHP statement function('foo');?

a. code block b. parameter c. constant d. variable