Respuesta :

fossil fuels are a natural fuel formed in the geological past from the remains of living organisms. examples are...

coal: cheapest source of energy and provides a stable source of energy.

oil: use it everyday, provides many jobs and is the most important.

Hope this helped :)


A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.

Two fossil fuels are coal and petroleum. Coal is mainly used to make naphthalene balls and petroleum is mainly used for petrol in vehicles,