Because there often the only source of reality
True because graphs are a visual way of learning
<span>The perception of risk or danger associated with drug use indicated how likely a subject is to use the drug in the future. If he believes it is very dangerous, he is less likely to try it. Therefor the perceived level of risk indicated the future trend of drug use.</span>
The correct answer is to ensure that the facts remain objective
Explanation: Vishal took notes because he wanted to ensure that the facts remain objective.