What is the name for curved scenic backdrop at the rear of the stage often representing the sky

In order to restrict editing to a document, a user will go to review, , restrict editing, and will then select what kinds of editing are allowed.

Why are reading and writing necessary in today’s world

Underline the ic or ic's and place the proper punctuation if needed. the board of trustees admits that it made a mistake because the employees were toolazy nothing happen to the board