Mud swamps, melting tundra and rice paddy fields release a lot. Also cattle release it by belching.
Yes, methane has been detected in the atmosphere of Mars by several instruments on spacecraft and telescopes. The presence of methane is significant because it could potentially be a sign of microbial life or geological activity on the planet. However, the exact source of the methane on Mars is still under investigation.
Methane, ammonia, hydrogen and water ice is most of it - more methane than anything else.
The major gases in Neptune's atmosphere are hydrogen, helium, and methane. Hydrogen and helium are the most abundant gases, with methane making up a smaller but still significant proportion.
Cfc is the mos abundant gas. We used it in refrigerators in the past.
The methane gas from a cow's stool can be used as energy but is somewhat harmful to the atmosphere.
No. Titan's atmosphere is almost all nitrogen while most of the rest is methane. It is also extremely cold.
Methane
Methane
Yes, Neptune's atmosphere is composed mostly of hydrogen, helium, and methane gases. The methane in the atmosphere absorbs red light, giving Neptune its cyan color. The concentration of methane in the atmosphere makes it toxic to humans.
yes, mercury's thin atmosphere has methane.
No. Uranus contains methane in its atmosphere, but it does not give off methane.
Juipter