Multiple choice Why are coal and petroleum called exhaustible natural resources? Their consumption is very fast. They are expensive. Amount of these resources is limited in nature. Their demand is more than their supply. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Coal and petroleum are the fossil fuels, which take lots of years to form. They are being used continuously but the formation rate is very low in comparison to that of consumption. That is why they are known as exhaustible natural resources.