What may be stored in sedimentary rock for millions of years.\nOptions:\n- (A) Sand castles\n- (B) Chemical energy\n- (C) heat energy\n- (D) Millions of dollars.\n- (E) A fuel source.\n- (F) Energy.\n- (G) In sediment\n- (H) Stored animal fur.
Please answer the following question by reasoning step-by-step.
(E)
Carbon may be stored in sedimentary rock for millions of years.

Carbon is the fuel source.

A fuel source may be stored in sedimentary rock for millions of years.

.

Final answer: (E)