An example of a rock formed by wood subjected to pressure and heat is? by Sunday | Jan 15 | Geography WAEC | 0 comments A. sandstone B. lignite C. biotite D. granite Correct Answer: Option B B. lignite Users Also Read These:A sedimentary rock formed only in seas and oceans in…When granite is subjected to intense heat or…A solid of mass 0.5kg initially at 50oC melts at…The innermost party of the earth which is rich in…An immersion heater rated 400W, 220V is used to heat…