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:Which of the following source of energy is renewable?An aluminum foil is placed across a beam of…Which of the following rock types is coal associated with?Which of the following devices converts light energy…Which of the following is NOT a natural source of energy?