Question

Which material most likely has the highest level of permeability?

A. Clay
B. Silt
C. Gravel
D. Sand

Answer 1

C. Gravel

Step-by-step explanation:

I answered Silt on the exam and it was wrong and said Gravel was the correct answer. :)

Answer 2

Answer: C. Gravel
Gravel has the highest permeability.