Select the option that is correct regarding the following two statements, labelled as Assertion (A) and Reason (R), with respect to characteristic features of contour lines.
Assertion (A): A single contour cannot split into two lines.
Reason (R): A knife-edge ridge or depression does not occur in nature.
1
Both A and R are true and R is the correct explanation of A.
2
A is true, but R is false.
3
Both A and R are true, but R is not the correct explanation of A.
4
A is false, but R is true.
5
Question Not Attempted