Directory is like a book​

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

When copying and pasting text, the first step is move your cursor type the text select the copy command select the paste command

The forerunner to cell phones, pdas, and smartphones was