The following items consist of two statements, one labelled as assertion (A) and the other as reason (R). You are required to examine these two statements and select the answer:<br>Assertion (A) : Biogas is a good source of energy in Rural Rajasthan.<br>Reason (R) : Rajasthan has a large number of domestic animals.

Correct Answer: Both (A) and (R) are true, and (R) is the correct explanation of (A).