Use reasoning to answer the following question. What do mammals use their body hair or fur to conserve?\nOptions:\n- (A) food\n- (B) energy\n- (C) warm\n- (D) warmth\n- (E) strength\n- (F) sunlight\n- (G) water\n- (H) health
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Mammals conserve body heat with their hair or fur. Heat is emitted energy. Mammals conserve body energy with their hair or fur.
So, the answer is (B).
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