Concept:
Wind erosion equation is used to estimate soil loss caused by wind erosion.
Step 1: Write the wind erosion equation.
The wind erosion equation is expressed as:
\[
E=f(I,K,C,L,V)
\]
Step 2: Meaning of terms.
\[
E=\text{estimated soil loss by wind erosion}
\]
\[
I=\text{soil erodibility factor}
\]
\[
K=\text{soil ridge roughness factor}
\]
\[
C=\text{climatic factor}
\]
\[
L=\text{unsheltered distance}
\]
\[
V=\text{vegetative cover factor}
\]
Step 3: Match with options.
The correct form given in the options is:
\[
E=f(I,K,C,L,V)
\]
\[
\therefore \text{Correct Answer is (A)}
\]