Which is the most destructive kind of mass movement

c. Landslide

Explanation:

Rocks that make at the base of the cliff are made in a sloping firming and they are most sensitive type that surface features of the place in the mass movement to occur and thus are called as rocks fall ad there is huge loss from a landslides and hence they can also trigger the chances of an avalanche and the heavy rockfall over any place. Thereby making them most sudden and dramatic and dangerous type of the movements in the earth, in the term of the mass wasting. As they are sudden fall and have a distinct zone pf weakness form the rotation and the sliding matter form under.