Are fossil fuels non-renewable sources of energy?

Name the natural fuel that is black, smelly and crude mineral oil.

Name the sources of energy that are available in limited quantity in nature and cannot be created once finished.

Name the sources of energy that can be renewed.

Name the natural gas that is used as motor fuel.

Name the alternate fuel which is made from biodegradable wastes and is used as a fuel to cook food in rural areas.