Reducing or eliminating the inflection of your voice can help you find your optimum pitch

The opening sentence, "there is every reason to believe that the concussion crisis in NFL football will get worse," functions a which part of this unit of argument?

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

Audience adaptation should take place before your speech, rather than trying to adapt on the spot

Indicate whether the statement is true or false.