Answer:
The correct answer is A: a time element
Step-by-step explanation:
From the reading "A Scientific View of Risk", it was clear that there is risk in almost every activity we do; be it smoking due to its health concerns, or drinking and driving. However, what matters the most or what increases the risk of from a scientific point of view is the length of time spent performing an activity or being exposed to the risk factor. It believes that risk is a probability and is dependent on the length of time spent on an activity.