Respuesta :
Fossil fuels are non-renewable sources of energy i.e. they cannot be regenerated at a sufficient rate and are prone to run out over a period of time.
Petroleum, Coal and Natural gas are all fossil fuels. However, petroleum and natural gas were formed from the remains of marine organisms. These are essentially hydrocarbons composed mainly of carbon and hydrogen.
Ans: a) petroleum and natural gas
Answer:
The answer is PETROLEUM and NATURAL GAS
Explanation:
