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simbi “
“ are internal tokens (with no value in dollars) that allow members to receive credit for help they provide to non-profits or individual Simbi members, without having to exchange talents directly.
You get 10 for joining, and can earn more by providing your service.
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is a network for people looking to exchange talents, skills, and services.is a talent-exchanging network. MoreHow it works »
Assist the learner with mastering fundamental skills and concepts in high school and college chemistry.
A retired highschool chemistry teacher with over 15 years of experience, primarily in honors and AP chemistry.
Several times a week
