Concept:The water table is the upper boundary of the saturated zone where all pores and cracks in the ground are filled with water.Explanation:The water table is not a single pool of water, nor is it a line joining springs of equal height.It also does not indicate the depth of all artesian wells in an area.Instead, it is the general level below which the ground is saturated with groundwater.This level can rise or fall depending on rainfall, drainage, and water extraction.Answer:D. The general level of underground water in an area