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Upper Elementary Issue:   

Investi-gator (Northern Research Station)

Vol. 1 No. 1 FS-935 (Eng) (Span)

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Investi-gator is a sister publication to Natural Inquirer serving students in grades 4 or higher. The Northern Research Station Investi-gator includes research done by scientists in the Northern United States. Learn about leaf color change, how ozone affects tree growth, and soil activity in winter.


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