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Age 6+
Grade 1-3

Barbara L. Webb

Trees: Earth's Lungs

Library Binding (Rourke Pub Group Aug. 1, 2010) , 1 edition
Explains the importance of oxygen to life on Earth and how trees make oxygen, and describes the threat of carbon dioxide to the air and how trees help to control it.
Series
Green Earth Discovery Library
ISBN
1615903046 / 9781615903047
Pages
24
Weight
7.8 oz.
Dimensions
8.0 x 0.5 in.

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