Cross-contamination is:

a) when a customer has an allergic reaction
b) the rapid growth of microorganisms
c) the transfer of microorganisms from one food or surface to another.
d) the failure to quickly put away deliveries.

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