Question

natural gas is convenient to use as a fuel, give reason

Answer 1

Because it is renewable sources of energy
it has calorific value needed by the fuel

Answer 2

Natural gas is a fossil fuel used as a source of energy for heating, cooking, and electricity generation. It is also used as afuel for vehicles and as a chemical feedstock in the manufacture of plastics and other commercially important organic chemicals. Fossil fuel based natural gas is a non-renewable resource.