Answer :
The most natural form of erosion in the examples is C, waves washing over rocks on the beach. Formation of ice is not a form of erosion and options C and D involve factors introduced by humans. In B, this is the acid rain, and in D it is the erosion of soil that occurs due to the off-road vehicles.
Answer;
C. waves washing over rocks on the beach
Explanation;
-Erosion is a natural process that forms part of the lifecycle of sites, resulting from the action of wind or water. It is a geological process in which earthen materials are worn away and transported by natural forces such as wind or water.
-Example of erosion; Wind carries small pieces of rock away from the side of a mountain, waves washing over rocks on the beach, etc.
