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Polar Bear, Why is Your World Melting? (Av2 Fiction Readalong)
Robert E. Wells
Polar Bear, Why is Your World Melting? (Av2 Fiction Readalong)
Robert E. Wells
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.
Médias | Livres Hardcover Book (Livre avec dos et couverture rigide) |
Validé | 15 septembre 2013 |
ISBN13 | 9781621278887 |
Éditeurs | Av2 by Weigl |
Pages | 32 |
Dimensions | 262 × 180 × 8 mm · 272 g |
Langue et grammaire | English |
Contributeur | Robert E. Wells |
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