Underground pockets.
Propane is one of the components of natural gas, and is obtained by separating it out. Propane can be liquefied easily and hence transported by road to remote places, but if piped natural gas is available this is a better bet for domestic use.
Hydrogen. Bear in mind that Natural Gas (Methane) is also a flammable gas.
I am presuming that the question meant burning of Natural Gas. However, even if you heat Natural Gas it will burn at some point since it is combustible and catches a fire quickly. Natural gas is mainly carbon, along with some amounts of a few other elements like Hydrogen, Sulphur, etc. When you burn carbon, you get mainly carbon dioxide and carbon monoxide.
No natural gas is natural gas.
when natural gas is strongly heated, hydrogen(H) and carbon(C) are obtained.
Underground pockets.
Well it releases what it has got inside the natural gas.
Helium is obtained from liquifying natural gas
Most often natural hydrocarbon gas.
it is a fossil fuel obtained by the natural gas which is compressed while refining petroleum
Sedimentary Rocks. When holes are drilled through the rock into these spaces, natural gas is obtained for out usage
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oil and natural gas.
Propane is one of the components of natural gas, and is obtained by separating it out. Propane can be liquefied easily and hence transported by road to remote places, but if piped natural gas is available this is a better bet for domestic use.
Hydrogen. Bear in mind that Natural Gas (Methane) is also a flammable gas.
petroleum and natural gas are none other than the decomposed forms of plants and animals that had been buried under the earth before millions of years.The decomposed forms from which fuels are obtained are termed fossils and therefore the fuels obtained from the fossils(petroleum , natural gas etc) are termed fossil fuels