Which of the following rocks is not formed from pre-existing rocks? By: Sunday|Published on: Jun 6|Categories: Agricultural Science WAEC| 0 comments A. limestone B. granite C. shale D. marble Correct Answer: Option B B. granite Users Also Read These:Rocks which have been formed by the cooling and…Organic sedimentary rocks formed from the?Igneous rocks formed within the crust are called?An intrusion of molten magma formed horizontally…Rocks that are composed of particles derived…SEE ALSO Pests of crops that feed by piercing and sucking plants include the following except?