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Book, 1990
Current format, Book, 1990, 1st ed., All copies in use.
Book, 1990
Current format, Book, 1990, 1st ed., All copies in use. Offered in 0 more formats
This selection of science fair projects will introduce young experimenters between the ages of 8 and 13 to the fundamental workings of their natural surroundings while raising their awareness of pollution, water contamination and environmentally stressed wildlife.
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