methane
Methane
it is gas because it has got engery so it is the answer
Nptune is made mostly out of gas
Neptune is mostly made of gas. Also, Neptune has rings and clouds. BY: jill the queen of awesome
Mostly gas
Which gas is air mostly made up from
it is made up of mostly gas
methane "Natural gas" is mostly methane, but since it is created in nature, it is often mixed with others. See related links below.
The Gas Giants are mostly made up of gas.
I assume you mean compressed natural gas. That's made up of hydrocargons, mainly methane and ethane.
No. Saturn is mostly made of gas.
No it is not. Natural gas is not man-made, and fluid gas is man-made.