What is the MAIN purpose for including a foil in a story?

Match each feature of e-publishing as an advantage, a disadvantage, a threat, or an opportunity. (choices) increased collaboration digitalized out-of-print versions monopoly over digital formats requirement for a specialized digital device pairs advantage of e-publishing disadvantage of e- opportunity for e- threat to e-

Under which key category do the page up and page down keys fall? page up and page down keys fall under the keys category.

Which analyst position analyzes information using mathematical models to business managers make decisions?