Respuesta :
Answer:
Groundwater is found in two zones. The unsaturated zone, immediately below the land surface, contains water and air in the open spaces, or pores. The saturated zone, a zone in which all the pores and rock fractures are filled with water, underlies the unsaturated zone.
Explanation:
Groundwater is found in two zones. The unsaturated zone, immediately below the land surface, contains water and air within the open spaces, or pores. The saturated zone, a zone during which all the pores and rock fractures are crammed with water, underlies the unsaturated zone.