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This question belongs to Geological Engineering Environmental Geology And Sustainability

Environmental Geology and Sustainability

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Which rock type is best for isolating hazardous waste underground?

A) Shale B) Sandstone C) Limestone D) Basalt

Answer & Solution

Correct Answer: Option A

Shale has very low permeability and acts as an effective barrier, preventing leakage of contaminants into surrounding groundwater systems.

Question posted by Examveda

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