Which of the following rocks is used for fuel? by Sunday | Jun 14 | Geography WAEC | 0 comments A. lignite B. granite C. diorite D. mica Correct Answer: Option A – lignite Users Also Read These:Igneous rocks are different from sedimentary rocks by their?Which of the following hydrocarbons is mainly used as fuel?Which of the following is released from car exhaust…Which of the following rocks is not formed from…Which of the activities is commonly used as a nuclear fuel?