Help fast plz ​

A(n) is a small bit of text separated from the rest of the paragraph at the top of a column or page.

Auser is given read permission to a file stored on an ntfs-formatted volume. the file is then copied to a folder on the same ntfs-formatted volume where the user has been given full control permission for that folder. when the user logs on to the computer holding the file and accesses its new location via a drive letter, what is the user's effective permission to the file? a. read b. full control c. no access d. modify e. none of the above

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.