2019 California Science & Engineering Fair Participants
Mariah G. Cox
- Project S0907
- Mariah G. Cox, Grade 12
![portrait](images/anon_ss.gif)
The Effects of Wildfire Ash on Soil Nutrient Levels
Advisor: Mrs. Norma Cox
School: Laytonville High School, Laytonville, Mendocino County
![CSEF_bar](/graphics/CSEF_Bar.jpg)
California Science & Engineering Fair
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2019
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Portraits
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CSEF@usc.edu