What feature allows you to access previous copies of a document on one drive

Rafael needs to add a title row to a table that he has inserted in word. what should he do? use the alignment options. use the merge and center option for all the cells in the top row. use the merge and center option on the first two cells in the top row. none of the above

Selling a product through an electronic medium is

What is a point-in-time measurement of system performance?