Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: The effective rainfall erosion index of a given area is linearly proportional to the percent of ground that is not covered by vegetation
Reason R: Rain erosion index includes both the kinetic energy of rain and the maximum 30-min rain intensity
In light of the above statements, choose the most appropriate answer from the options given below: