Final answer:
The word 'underestimate' can be used to fill in the blank in the sentence to imply how the lack of experience and young age can impact a teenager's perception of driving dangers.
Step-by-step explanation:
The sentence is asking you to fill in the blank with a verb that implies the action teens might take due to their lack of experience and young age towards dangers while driving. A suitable verb in this context could be 'underestimate'. So, the completed sentence would read: 'Their lack of experience and young age can cause teens to underestimate the dangers we can encounter while driving.' This suggests that teenagers might not fully appreciate or acknowledge the risks of driving due to their inexperience and youth.
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