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. Let's be accurate as possible.
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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.
The final answer: (E).
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