With reference to two nonconventional energy sources called âì˜coalbed methaneâìâ andâì˜shale gasâìâ, consider the following statements :1. Coalbed methane is the pure methane gas extracted from coal seams, while shalegas is a mixture of propane and butane only that can be extracted from fine-grainedsedimentary rocks.2. In India, abundant coalbed methane sources exist, but so far no shale gas sourceshave been found.`Which of the statements given above is/ are correct ?

• A. 1 only
• B. 2 only
• C. Both 1 and 2
• D. Neither 1 nor 2