question_answer

                                                            Why are coal, mineral oil and natural gas called fossil fuels?       

Answer:

Coal/ mineral oil and natural gas are called fossil fuels because:

(i) They are organic by origin.

(ii) They are produced from the plant and animal remains as they have been buried in. earth for a long period of time.

(iii) They are a part of fossils, therefore they are called fossil fuels.