25 POINTS PLZ HELPWhat is the most economical form pf printing?

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

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is 50e0bf08e5b671@ualwgypg91wa5wl. uzo9kbud3qjwddygd5.vng -

In the context of an internet connection, llc stands for leased line connection liability limited company local loop complex local loop carrier