Question

question 24
which of these is most likely to create a boating hazard around river bridges?
a boats slowing as they approach the bridge
b cars crossing the bridge
c debris collecting around pilings
d bridges remaining stationary through wind and waves

Explanation:

Debris around pilings can obstruct boats. Slow - moving boats are normal, cars on bridge don't affect boats directly, and stationary bridges aren't hazards.

Answer:

C. debris collecting around pilings