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Polar Bear, Why is Your World Melting? (Av2 Fiction Readalong)
Robert E. Wells
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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.
| Medios de comunicación | Libros Hardcover Book (Libro con lomo y cubierta duros) |
| Publicado | 15 de septiembre de 2013 |
| ISBN13 | 9781621278887 |
| Editores | Av2 by Weigl |
| Páginas | 32 |
| Dimensiones | 262 × 180 × 8 mm · 272 g |
| Lengua | English |
| Colaborador | Robert E. Wells |
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