Question to you: What contains most of the energy used by people worldwided?\nOptions:\n- (A) heat\n- (B) Light\n- (C) coal\n- (D) grasses\n- (E) Cooking\n- (F) glucose\n- (G) A computer\n- (H) gasoline.
Let's reason step-by-step:
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Grasses supply most of the food consumed by people worldwide. Because food contains energy. Grasses supply most of the energy used by people worldwide. Final answer: (D).
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