What does the do not disturb button do on the iphone?

How can i clip a picture to a question on the computer?

What is the primary difference between the header section of a document and the body? a. the body is displayed on the webpage and the header is not. b. the header is displayed on the webpage and the body is not. c. the tag for the body is self-closing, but the tags for the headers must be closed. d. the tag for the header is self closing, but the tag for the body must be closed.

Match the sentence fragment in the first column with the appropriate ending in the second column. a little per favore?