Consider the following statement and select the correct answer from the codes given below-Assertion (As) : Hydergraph is based on rainfall and temperature data was developed byGriffith Taylor.Reason (R) : Hydergraph was developed by Griffith Taylor. Codes :

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