Assertion (A) : Circum-Pacific belt accounts for major percentage share of world's total earthquakes of varying magnitude and deep focus.Reason (R) : Maximum occurrence of earthquakes along Circum-Pacific belt is caused by divergent motion of tectonic plates and consequent formation of faults.Code

• A. Both (A) and (R) are true and (R) is the correct explanation of (A)
• B. Both (A) and (R) are true but (R) is not a correct explanation of (A)
• C. (A) is true but (R) is false
• D. (A) is false but (R) is true