D. Reaction time
Objects falling are moving quickly, and being able to react immediately is the most useful skill in this situation. Being agile or having good balance isn't helpful if the object has reached the ground before you moved.
Promote rain infiltration, provide diverse habitat for native wildlife, reduce<span> soil erosion, and deliver clean water into streams.</span>
It's a hard one between the last two. It would depend on the circumstances and the teen themselves. Generally speaking, teens who have parents that enforce things don't act out but on occasion some have decided to "rebel" and take an alternative route.
However, for the sake of this question, I'm going to say a teen whose girlfriend broke up with him but acts as if nothing had happened.
