Which does not usually trigger mass movements? vibration of the ground during an earthquake formation of oversteepened slopes growth of native vegetation on slopes saturation of surface materials with water

The correct answer choice is answer C.) Growth of native vegetation on slopes. Plants generally help keep erosion and soil movements to a minimum, as their roots provide stability. Hope this helped!

answer; the above statement is (true); plz check first

answer is  

loa ≅ lma

to prove that the triangles are congruent using the aas congruence