Methane is a gas that occurs naturally. Of animals such as cattle dung burning fuel. Coal and natural gas Or caused by rice The decay of dead organisms.
Methane gas is a gas that occurs naturally from the animals, such as cattle, burning fuel. Coal and natural gas, or from rice Digestion of living organisms.
methane gas is a gas that occurs naturally from cases such as pets and cattle combustion coal and natural gas or from the rice fields, as a result of the ruins of digestion