A watershed is an area of land that drains into one water system. Healthy watersheds are important for providing clean water. Watersheds need a certain amount of groundwater to stay healthy. Water that is absorbed by the ground forms groundwater. Water that is not absorbed by the ground can run off into rivers and leave the watershed. Based on this information, which practice would best help conserve the water in a watershed? OA. covering more of the surface of the land with roadways or buildings OB. removing most of the dams in the rivers of a watershed OC. decreasing the amount of land covered with waterproof surfaces like pavement OD. reducing the number and size of the farms that are found within a watershed​