What feature should be used before a document is printed

Which option marks all modification made within a document? review comment track changes balloons

You are almost finished updating a web site. as part of the update, you have converted all pages from html 4.0 to html5. the project is currently on schedule. however, your project manager has been asked by the marketing team manager to justify a day of time spent validating the site's html5 pages. the marketing team manager does not have technical knowledge of the internet or the web. which is the most appropriate explanation to provide to the marketing team manager?

Kto rozmawia z clamentain przez krótkofalówke w the walking dead w 4 epizodzie