For an experiment to be scientific, it must

What is the most important aspect of managing your digital photographs? a) backing up the files b) tagging the photos c) putting the photos into folders d) editing the photos

Most rules and tapes are marked in increments of inches to lay out joists, studs, and rafters. a. 8 and 10 b. 26 c. 30 d. 12 and 16

The phrase to every action there is an equal and opposite reaction is