The file is referred to in 1 page
- Composting Toilets
https://serc.carleton.edu/integrate/teaching_materials/energy_sustain/student_materials/composting_toil.html
ProvenanceDrawn by M. Crawford; adapted from:
http://compost.css.cornell.edu/microorg.html and Trautmann, N. M., & Krasny, M. E. (1998). Composting in the Classroom: Scientific Inquiry for High School Students. Kendall/Hunt Publishing Company
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