Question

Arrange the following in the descending order of their role in soil erosion
(I) Wind erosion
(ii) Chemical degradation
(iii) Physical degradation
(iv) Water erosion

• A. iv $\to$ i $\to$ ii $\to$ iii
• B. iv $\to$ ii $\to$ iii $\to$ i
• C. i $\to$ ii $\to$ iii $\to$ iv
• D. iv $\to$ iii $\to$ ii $\to$ i

Answer 1

The correct option is A iv $\to$ i $\to$ ii $\to$ iii

Water erosion is when the flowing water carries away the soil with it.This amounts for the largest amount of soil erosion. Wind erosion is when the blowing wind carries the soil with it. physical degradation is a gradual process of many steps beginning from structural deterioration and ending in the differential loss of finer particles through erosion. Physical degradation is a gradual process in which the soil is broken down into finer particles. Chemical degradation mainly consists of soil pollution and acidification. Thus the correct answer is option A.