Answer: Mass movements affect the following elements of the
environment: (1) the topography of the earth’s surface,
particularly the morphologies of mountain and valley
systems, both on the continents and on the ocean floors;
(2) the character/quality of rivers and streams and
groundwater flow; (3) the forests that cover much of the
earth’s subaerial surface; and (4) the habitats of natural
wildlife that exist on the earth’s surface, including its
rivers, lakes, and oceans.
Step-by-step explanation: