Where does the vlookup function find its lookup values? lookup table disk file web page thumb drive

What’s the process of observing someone actually working in a career that interests you?

Are special characters that allow you to search for multiple words at the same time.

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?