When clicked, the Layout Options button displays ________ thumbnails

If you analyze your disk and find that most of the files are stored contiguously on the disk, what should you do?

A. run a disk fragmenting utility B. run a disk defragmenting utility C. run chkdsk immediately D. nothing, the files are stored optimally

?To define a sequence of key frames in CSS, the _________ rule is applied.

Fill in the blank(s) with the appropriate word(s).