Assertion (A): Chile continues to be an important producer of copper in the world. Reason (R): Chile is endowed with the world’s largest deposit of porphyry copper.

1. (a)Both A and R are true, and R is the correct explanation of A
2. (b)Both A and R are true, but R is not a correct explanation of A
3. (c)A is true, but R is false
4. (d)A is false, but R is true