Where Does Methane Gas Come from?

Answer

Methane gas occurs naturally as a result of various biological and chemical reactions. It comes from human waste products, agricultural waste and agricultural waste by products through the process of anaerobic decay. Cattle are responsible for 16% of the atmospheric methane emissions.
Q&A Related to "Where Does Methane Gas Come from"
Most methane comes from human waste products, agriculture and agricultural waste by-products. As the world population grows, so the the amount of methane emitted into the atmosphere
http://www.ask.com/web-answers/Science/Chemistry/w...
A sheep releases methane gas when the sheep either burps, farts, pukes, or poops.
http://wiki.answers.com/Q/Where_does_a_sheep_relea...
Methane is emitted from a variety of both anthropogenic (human-influenced) and natural sources. Anthropogenic emission sources include agriculture, coal mines, landfills, and natural
http://www.epa.gov/methanetomarkets/faq.htm
Gasoline is a product of oil, which is a fossil fuel found beneath the earth's surface. Most scientists agree that it was created from the remains of plants by thousands of years
http://www.ehow.com/how-does_5163567_car-gas-come....
1 Additional Answer
Methane is a gas that is abundant in the universe. It is produced in many wetlands and oceans. It is also produced by burning fuel and raising livestock.
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