A child's introduction to the environment the air, earth, and sea around us--plus experiments, projects, and activities you can do to help our planet!
Discusses a variety of environmental sciences topics, including global warming, food chains, and desertification, along with a collection of experiments and conservation activities.
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| Formatua: | Liburua |
| Hizkuntza: | English |
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New York
Black Dog & Leventhal Pub.
c2008.
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