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:Sedimentary rocks are distinguished from other rocks…Igneous rocks are different from sedimentary rocks by their?Which of the following hydrocarbons is mainly used as fuel?Based on the cartoon; it is evident that fuel…A given fuel has an octane number of 100. This means that?