Why are reflection, refraction and projection three ways a person can manipulate light

If you're using an existing powerpoint presentation that will receive new slides based on a word outline, select the a. slide that will appear after the new slides. b. first slide in the presentation. c. slide that will appear before the new slides. d. last slide in the presentation.

What is a sketch or blueprint of a web page that shows the structure (but not the detailed design) of basic page elements such as the logo, navigation, content, and footer?

What is it called during the editing process when the processor ensures that a character holding a coffee mug from one angle is holding the same mug in the same way when the shot switches to another camera at another angle? cinematography continuity technology prop use