Polar Bear, Why Is Your World Melting?
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Book Description
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.
Book Information
Publisher | Albert Whitman & Co |
Binding | Paperback (3 editions) |
Reading Level | Ages 4-8 |
# of Pages | 32 |
ISBN-10 | 0807565997 |
ISBN-13 | 978-0807565995 |
Publication Date | 09/01/2008 |
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