Below are the two statements given , one is statement and the other is reason: Statement (A): There has been an increase in the frequency of landslides in the Himalayas. Reason (R): In recent years there has been large scale mining work in the Himalayas. Which one of the following is correct with reference to the above:

• (a)Both A and R are correct and R is the correct explanation of A
• (b)Both A and R are correct but R is not the correct explanation of A
• (c)A is true, but R is false
• (d)A is false, but R is true