The answer is an open system
Answer: B. under use; it is a scarce resource.
Explanation:
Early settlers in the town of Dry Gulch drilled wells to pump as much water as they wanted from the single aquifer beneath the town. (An aquifer is an underground body of water.) As more people settled in Dry Gulch, the aquifer level fell and new wells had to be drilled deeper at higher cost.Residents of Dry Gulch have a private incentive to under use water because it is a scarce resource.
<span>If a child takes large steps which exceeds his or her length, it may mean that he is more advanced or he simply has more walking experience than a normal length walking child.
Increased step length it shows a sign of improvement in the development of walking. In addition, I can say that large steps are reflected more strength and also balance than he had previously been supposed for the infants who are training themselves on how to walk.</span>
Think b is the right answer