decomposition rates

This is from my old “binder reminder” (1995–1996), just wanted to save the info:

Length of time for items to decompose
hall pass: 2–4 weeks
cotton rag: 1–5 months
gym sock: 1 year
tin can: 100 years
aluminum can: 200–500 years
glass bottle: undetermined

2 thoughts on “decomposition rates

  1. Jeidai

    Haha, well, I don’t really remember the hall passes used in middle school, but I don’t think they were special paper or anything…

    I think the people who wrote the binder reminder were just trying to apply this information to something in the students’ lives. XD

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