Paperback (01 Sep 2008)
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In the Arctic, the summer ice is melting, making it hard for polar bears to survive. Why is the world getting warmer? The heat of the sun is trapped by the "greenhouse" gases that surround Earth--carbon dioxide, methane, nitrous oxide, and water vapor.
| ISBN: | 9780807565995 |
| Publisher: | Albert Whitman & Company |
| Imprint: | Albert Whitman & Company |
| Pub date: | 01 Sep 2008 |
| Language: | English |
| Number of pages: | 32 |
| Weight: | 120g |
| Height: | 178mm |
| Width: | 266mm |
| Spine width: | 4mm |
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Paperback
Published 31 Aug 2018
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