Victor drinks two to three cups of coffee every morning. Often, Victor experiences an almost immediate sense of alertness when he sips a fresh cup of coffee, even though it takes about 20 minutes for the caffeine in the coffee to reach significant levels in the bloodstream. What is the BEST explanation for this phenomenon?

 The BEST explanation for this phenomenon is that after Victor has being repeatedly paired with the drug caffeine, the smell and taste of coffee have become a conditioned stimulus that elicits the conditioned response of alertness.

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj

well, i can't read it so i'll ask you questions about it : )

if you were a reader and you read the introduction, would you want to read more?

does it start with a question? if so, is it something you would want to read about?

and ask any friends or family for their opinion : )