Polar Bears in Trouble. Footprint Reading Library 2200

Cartea autorului Rob Waring „Polar Bears in Trouble. Footprint Reading Library 2200" de la editura NATIONAL GEOGRAPHIC LEARNING

Polar bears one of the largest and most dangerous hunters in the cold regions of the North. Their bodies are built for winter and they do best in the coldest areas. Unfortunately, polar bears are becoming threatened due to changes in the world\\''s climate. How does global warming affect polar bears? What must be done to save them?

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