Gneiss is a metamorphic rock formed from? By: Sunday|Published on: Jul 4|Categories: Agricultural Science WAEC| 0 comments A. sandstone B. slate C. shale D. clay E. granite Correct Answer: Option E – granite Users Also Read These:An example of a rock formed by wood subjected to…An example of organically formed sedimentary rock is?Marble is a metamorphic rock formed from?Shale is a fire-textured sedimentary rock formed…A sedimentary rock formed only in seas and oceans in…SEE ALSO The most important factor that determines the rate of agriculture development in a country is the?