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Polar bears are Arctic survivors! But climate change and human activity put the bears in jeopardy. This title introduces the threats that polar bears face and how humans can help their chances for survival. Leveled text and crisp photos highlight the main points, while special features map where polar bears live, show their conservation status, introduce cause and effect, and show why the survival of polar bears matters.
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智能手機和平板電腦
手提電腦和電腦
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