What might be stored in limestone?\nOptions:\n- (A) carbonated water\n- (B) chemicals\n- (C) cigars\n- (D) candles\n- (E) Energy.\n- (F) carbon\n- (G) Energy\n- (H) fossils OK. Let's think hard:
User
Carbon may be stored in sedimentary rock for millions of years. Limestone is a type of sedimentary rock. Carbon might be stored in limestone.
So, the final answer is (F).
Assistant