<span>With Sally's goal to be place third or better, she can determine if she is making progress toward her goal by can monitor her practice run times to see if they are decreasing. In this way she can monitor her progress and also to determine if her goal is almost achievable. </span>
Game such as frogs are useful for prey. The bigger animals such as let's say foxes will at them- and so the food chain goes on.
The answer to your question is A
