Which kind of speeches sound conversational but are researched, organized, and practiced?

"The lakeshore condominium project will threaten the ecology of the shoreline," functions as which part of this unit of argument?

(a) grounds (b) backing (c) warrant (d) claim

When it comes to the web, use ______ bits of information to give people the most important information first and then move on.

A. medium B. long C. short D. super long