31. Which material would form the best aquitard?
32. The phreatic surface in groundwater terminology refers to:
33. The capillary fringe is located:
34. Which factor most directly affects the rate of groundwater recharge?
35. Which aquifer type is typically under pressure and can yield water above the aquifer level?
36. Which geological formation would have the highest hydraulic conductivity?
37. The main driving force for groundwater flow is:
38. Which groundwater term describes the maximum amount of water soil can hold against gravity?
39. Which tool is used to measure the depth to groundwater in a borehole?
40. The unit of hydraulic gradient is:
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