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:The formation of metamorphic rocks normally involves…A given fuel has an octane number of 100. This means that?Which of the following is used as fuel in miners' lamp?Based on the cartoon; it is evident that fuel…Which of the following compounds is can serves as a…