You are presented with the quiz "How does coal produce electricity?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "coal is used to produce electricity by burning in coal-fire power stations" and "heat is essential to the burning process". So, what's the best answer to the question?
Options:
(A). It remains dormant;
(B). It gets cooled;
(C). By rubbing together;
(D). chemical reaction;
(E). It gets heated up;
(F). major threat to health;
(G). Through magnetism;
(H). heat energy;
(E).