Examveda

Which of the following will typically have the lowest porosity?

A. Gravel

B. Clay

C. Shale

D. Sand

Answer: Option A

Solution (By Examveda Team)

While gravel has large voids, its total porosity is lower due to better packing.Clay and shale have higher porosity but low permeability.

Join The Discussion

Related Questions on Groundwater and Hydrogeology

What is an aquifer?

A. Rock that does not hold water

B. Layer that restricts water flow

C. Permeable rock that stores and transmits water

D. Layer that absorbs contaminants