If you could use any source of energy for heating your food, which one would you use and why

Q No. 3:

If you could use any source of energy for heating your food, which one would you use and why?

Ans:

Natural gas can be used for heating and cooking food as it is a clean source of energy. It has high calorific value also It does not produce a large amount of smoke on burning. It is easy to use and easy to transport.