Global warming and the greenhouse effect : grades 7-10 /
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| Other Authors: | |
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| Format: | Book |
| Language: | English |
| Published: |
Berkeley, Ca.:
Lawrence Hall os Science, University of Berkeley,
c1990.
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| Subjects: | |
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| Item Description: | Teacher's guide. Great Explorations in Math and Science (GEMS) Program. |
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| Physical Description: | 174 p : ill. |