Respuesta :
There are different kinds of rocks. The Rock layer that can be porous but must have very low to no permeability is Clay.
- Clay is known to be a type of soil that has high porosity but little is found of permeability.
This implies that this low permeability therefore acts as a barrier for water to be unable to flow through and the water found within it is said to be trapped.
The type of rock with low permeable are unfractured intrusive igneous and metamorphic rocks, sandstone, limestone and others.
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