Answer:
A. -13 feet
Explanation:
absolute value has no negatives. it looks like this : |-13|
so once you take all the negatives away, you can easily spot the least one.
the reason why there is absolute value is for things like distance. You can't have negative distance because you just can't say "hey I walked -3 miles yesterday". Therefore, this question is also asking for which fish is closest to the water's surface.