Which of the following types of rock is a source of energy? By: Sunday|Published on: Jun 15|Categories: Geography WAEC| 0 comments A. sandstone B. coal C. granite D. graphite Correct Answer: Option B – coal Users Also Read These:An example of a natural source of light energy is?Which of the following is NOT a natural source of energy?A non-renewable alternative source of energy is?The ultimate source of energy in the biosphere is?Petroleum is a non-renewable source of energy because it?SEE ALSO The number of deaths; births; immigrants and emigrants over a specified time interval determines the population?