In order to protect aquifers near landfills, material is placed under the soil to prevent pollution. which following property must the protective material possess? a) high porosity b) low permeability c) high reflectivity d) low conductivity

b) low permeability

Explanation:

In landfills, materials with low porosity and low permeability are often placed under the soil to prevent pollution.

Permeability deals with the inter-connectivity of pore spaces within a rock or soil unit. Permeability aids the movement or transmission of fluids within the pores of a rock. When pore spaces are interconnected, permeability increases. This would eventually lead to leaking of dissolved materials from the landfill into the ground water system and can contaminate the environment.

your answer is c) plasma

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