Answer:
Psychological arousal is very simimal for several emotions, so it is not always reliable for the polygraph to distinguish one emotion reaction from another. For instance guilt from other reactions.
Explanation:
The polygraph can most certainly determine if a person is nervous or not, because the nervous system reacts under testing situations, as well as other body reactions. This is not sufficient enought to deternmine wether someone is lying or not, is guilty or not. Someone can be nervous, and the polygraph can identify it, but this does not neccesarily mean a person can be found guilty.
She spends most of her time traveling between the three offices to fix computers and answer questions.
The right answer is:
C. The brains of older ants that are not involved in gathering nourishment are the same size as those counterparts of the same age that do gather nourishment.
Explanation
<em>
If this statement were true it would seriously weaken the original argument because we would actually be taking into consideration age as well as activity of the ants.</em>
