Question

Which of the three substances has the greatest porosity

Answer 1

Out of the three materials listed, it would be silt C.

Thanks

Answer 2

Porosity is a measure of how much of a rock is open space. This space can be between grains or within cracks or cavities of the rock. The substance which has the greatest porosity would be the one that would absorb more water and faster. Hope this helps. Have a nice day.