Question: Which of the following is necessary to calculate hydraulic gradient? Need Assignment Help? View Available Hint(s)for Part B the distance between two wells that penetrate the zone of saturation and their elevations the elevation of the water table at two wells that penetrate the zone of saturation the discharge of an aquifer the distance between two wells that penetrate the zone of saturation and the elevation of the water table in them the elevation of the water table at a well that penetrates the zone of saturation