Juan easily taught his cat to jump through a hoop for the reward of food, but could not get his cat to fetch a ball and return the ball to him. the cat would chase the ball but use his paws to roll the ball so he could chase the ball again. the reason the cat had difficulties with fetching the ball was because of:

instinctive drift.

Explanation:

instinctive drift refers to the behavior that organisms do that is influenced by their survival instinct rather than a learned behavior.

In the example above, it is easy for Juan to taught his cat to jump through the hoop because of two reasons:

1. Juan use food as a reward, so it attracted the cat's attention by its smell.

2. Hoop jumping is actually mimic cat's natural movement when cat jump forward to catch smaller animals to eat (such as mouse). But in this case we replace the mouse with cat food.

your answer would b. the missisipi river

hope i you : )