What's the best way to improve projection when speaking publicly? (A)Use an expensive microphone and public address system to be heard clearly.
(B)Stand up straight, hold up your head, and speak to the back of the room.
(C)Take big breaths of air, tense your body, and shout loudly.
(D)Have your audience sit closer so they can hear your voice.

Consider the title and souce of the following articles. which one is most likely to exhibit a bias? (a) how to roast beef," by the food editor of a magazine (b) americans experiencing greater fatigue than previous generations, " by a harvard researcher (c) "americans' worsening eyesight not related to computer screen usage," by the public relations director of a major computer manufacturer (d) "sharing the burden: a history of cooperation," by a college professor