Perhaps sulfur dioxide.
no
A great fire erupted from the leakage of methane gas.
Methane is CH4 and has the elements carbon and hydrogen.
Methane is not an element. It is a compound of two elements: carbon and hydrogen.
Boils on the cattle
The smell is from hydrogen sulfide - H2S.
Methane contain 1 carbon & 4 hydrogen elements.
Flatulence is mostly composed of carbon dioxide, however, it also contains a blend of non-smelling gasses including oxygen, nitrogen, hydrogen, and sometimes methane.
Methane is a chemical compound made of the elements Carbon and Hydrogen. Writtan as CH4.
poo and cheese cow and camals :)
hydrogen and methane
Carbon, Lead, Uranium are chemical elements. Bronze is an alloy - Cu + Sn (and some other minor elements). Methane is a chemical compound - CH4. Air is a mixture of elements (Oxygen, Nitrogen, Argon, etc.) and compounds (water, carbon dioxide, etc.)