Gabriel wants to track the changes made to cell A45, so he follows the steps below.

When is an original work considered public domain? a. when posted via social media b. when it is posted on the internet c. when a copyright symbol is not included with the piece of work d. when explicit permission is given by the author / owner

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most?