Question

Which rock types forms the steepest slopes ?
a) granites
b) shale
c) volcanic ash bed
d) all ​

Answer 1

Question:

Which rock types forms the steepest slopes ?

a) granites

b) shale

c) volcanic ash bed ✓

d) all

Answer:

c) volcanic ash bed

Explanation:

Volcanic ash try to get spread equal over the surface , they try to fell every gap in the surface.