Yes all living things do even me
No. Uranus contains methane in its atmosphere, but it does not give off methane.
all plant eating animals do give off methane.
Yes they do give off methane and this is even more harmful than carbon dioxide.
Well technically, every single human and all living things give off methane, including girls if you didn't know that, (no offense). So honestly, insects do give off methane.
methane
yes it does
Yes everything that dies and it's organic matter becomes methane. Anaerobically.
Methane and carbon dioxide.
Human beings give off carbon dioxide. Some bacteria give off methane or hydrogen.
no, methane is part of pollution! the main contributors to pollution and global warming are:CO2 (carbon dioxide)CH2 (methane)and i don't know the third, sorry!
Not really - the gases they give off are mainly methane.
two methane and carbon dioxide (: