The Address bar displays commonly used buttons, many of which are shortcuts for navigating the Web

When you are working with several authors on the same document, which of the following is NOT an option?

A) You can remove a person from the Authors list. B) You can delete comments that are no longer relevant. C) You can edit your own comments. D) You can edit comments made by someone else.

____________________ is commercial or nuisance e-mail with no effective opt-out system.

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