I think it is b I hope I helped you have a nice day
Answer:
Pools that are lined with vinyl are built with metal or plastic frames above ground or set into the excavated hole. Prefab supporting walls or panels made of plastic, steel, or aluminum are joined to the frame, making a form that is then lined with heavy vinyl to form the pool shell.
Explanation:
<span>On 14 May 1607, the London Company established the Jamestown Settlement about 40 miles inland along the James River, a major tributary of the Chesapeake Bay in present-day Virginia. The future of the settlement at Jamestown was precarious for its first 5 years.</span>
