What are the different types of mass movements described in the text? I - Creep is a slow movement of soil and rock debris down a slope. II - Rock...

What are the different types of mass movements described in the text?

I - Creep is a slow movement of soil and rock debris down a slope.
II - Rockfalls are sudden movements of rock debris down a slope.
III - Debris flows are fluid movements of fine-grained materials, such as soils and clays.
IV - Lahars are fluid movements of pyroclastic materials, such as ash and pumice.
V - Solifluction is a type of movement that occurs in permafrost regions, caused by the alternation of freezing and thawing of the soil.
a) I, II, III, IV and V are correct.
b) I, II, III and IV are correct.
c) I, III, IV and V are correct.
d) II, III, IV and V are correct.