Question

______ Mineral is used for noise absorption.Fill in the blank with appropriate word.

Answer 1

Porous mineral is used for noise absorption.  

Porosity and permeability are the key physical properties that determine the ability of a body of rock or sediment to store and transmit water  Porosity is defined as the volume of open spaces, or pores, between the solid mineral components that make up a rock or unconsolidated sediment, and is expressed as a percentage.