it has small pores because water can't pass through it and they are unconnected because if they were they're would be large pores.
Impermeable material is a solid surface that doesn't allow water to penetrate. They have small pores that are unconnected. Types of impermeable material include concrete, asphalt, and brick.
Water contained in pores of soil or rock is groundwater..
Then fluid can travel through the rock, and the rock is said to be "permeable".
the zone in rock layers where all the pores are filled with water
Water can get into fractures/joints/pores of rock, freeze, and then expand, weathering the rock.
Mechanical weathering
the zone in rock layers where all the pores are filled with water
the zone in rock layers where all the pores are filled with water
Aquifer
The water table.
Permeability