Erosion means the process by which land surface is worn away by the action of wind, water, ice or gravity.
(Erosion; means; the process by which land surface is worn away by the action of wind, water, ice or gravity) (land surface; is worn away; by the action of wind, water, ice or gravity; L:the process)
Erosion land surface
means is worn away
the process by which land surface is worn away by the action of wind, water, ice or gravity
by the action of wind, water, ice or gravity L:the process