Which of the following rocks is not formed from pre-existing rocks? by Sunday | Jun 6 | Agricultural Science WAEC | 0 comments A. limestone B. granite C. shale D. marble Correct Answer: Option B B. granite Users Also Read These:'They are formed from the accumulation of materials…Which of the following groups of rocks is formed as…A converging lens and a screen are placed 20 cm and…Igneous rocks are different from sedimentary rocks by their?Rocks that are composed of particles derived…