Dry air swirls around empty frozen lands, glaciers move slowly across the waters, winter darkness envelopes the areas day and night. Still, there is life at the poles -- polar bears and penguins, scientists and explorers, berries and mosses. Learn how seasons affect life in the Arctic and Antarctic, how wildlife survives, and what scientists can learn from studying these regions.
發表於2024-12-02
North Pole, South Pole 2024 pdf epub mobi 電子書 下載
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North Pole, South Pole 2024 pdf epub mobi 電子書 下載