Which of the following types of rock is a source of energy? by Sunday | Jun 15 | Geography WAEC | 0 comments A. sandstone B. coal C. granite D. graphite Correct Answer: Option B – coal Users Also Read These:A basin where rock layers have been folded and in…Which of the following is NOT a natural source of energy?The count rate of an alpha-particle source is 400…In which of the following rock types is petroleum…Which of the following is the source of energy used…