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.
Answer:
By weather and object of a colour.
Explanation:
1. When the clouds change, the reflection on the water, change colour.
2. When an object of a colour, reflect on the surface of the water. So if the object reflect green, the water become green.
Answer:
It was to reduce the risk of flooding
Explanation:
I hope this help :)
