A soft; black opaque carbonaceous rock that can be used to make pencil is? by Sunday | Jan 1 | Geography JAMB | 0 comments A. lignite B. graphite C. lead D. coal Correct Answer: Option B – graphite Users Also Read These:Assuming that in sheep, the allele for black coat…Assuming that in sheep, the allele for black coat…The term lead pencil is a ________; pencils are…Which of the following allotrope of carbon is a…A rectangular image consisting of black lines and…