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Polar Bear, Why Is Your World Melting?
Polar Bear, Why Is Your World Melting?

Polar Bear, Why Is Your World Melting?

Wells of Knowledge Science Series

JUVENILE NONFICTION

32 Pages, 10.5 x 7

Formats: PDF

PDF, $5.99 (US $5.99) (CA $7.99)

Publication Date: September 2008

ISBN 9780807566008

Rights: WOR

Albert Whitman & Company (Sep 2008)

Price: $5.99
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Overview

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.