Use reasoning to answer the following question. What can polar bears do to generate heat?\nOptions:\n- (A) make fire\n- (B) eat ice\n- (C) stay warm\n- (D) nothing\n- (E) fur\n- (F) motors\n- (G) shiver\n- (H) sweating
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Mammals can also generate little bursts of heat by shivering. Polar bears are mammals. Polar bears can generate heat by shivering.
So, the answer is (G).
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