Answer: unpredictable
Explanation:
One's driving environment changes anytime an individual is driving. It should be noted that the weather conditions, other drivers and ones vehicle can be very unpredictable.
Therefore, in order for drivers to be able to manage risk, it is vital that the person remain alert to the conditions that can leaf to an in the risk level.
On the research team of the eminent virologist Dr. Thomas Francis, who was working on a flu vaccine, was a young physician<span> named Jonas Salk.</span><span>
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Narrative tends to be more of a story and persuasive is trying to get the reader to think a certain way or do a different thing