The water table is found in the unsaturated zone always in the same location the top layer of the saturated zone made of nonporous soil and rock

 the top layer of the saturated zone

Explanation: Water table is also called as the groundwater table.The water table is the level below the surface of the ground where water is found.

The water table is the top layer of the saturated zone.The saturated zone is where the pores and fractures of the ground are saturated with water.

The water table keeps changing with the seasons and from year to year because it is affected by climatic variations and by the amount of precipitation.

Air, water, rock and soil

Explanation:

The environment where the general properties of wave motion can be observed is the wave medium which is any substance or particle that carries the wave, or through which the wave travels.