CAN YOU HELP ME WITH THIS PLZ

What are the letters of the line in the typical cliff in order from bottom to top of the staff

Explain why a work of art is considered so valuable and who is affected when a work of art is stolen

Ineed this to be answered fast and you i would appreciate it1. what benefits are there to using an online filter app? 2. of the apps you researched, which would you choose to edit your own photos? why would you choose this app over the other ones? 3. if you could choose between using the camera accessory filters that connect to your camera or the photo editing app filters, which would you choose and why?