80,000,000+ girls in developing countries are missing school while on their period: The Giving Cycle...
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Riva Banks Edit

Based on 4 Ratings
Biology Teacher at Chandler Secondary College
5
Easiness
5
Helpfulness
5
Clarity

Aug 13, 2010 lessons contain a flood of information Flag Rating

5
Easiness
5
Helpfulness
5
Clarity

Mar 11, 2010 lessons flow in a meanderering miasma Flag Rating

1
Easiness
2
Helpfulness
1
Clarity

Dec 06, 2009 Explanations are sometimes murky and muddy. Flag Rating

5
Easiness
5
Helpfulness
5
Clarity

Nov 30, 2009 Ms banks makes our world rock Flag Rating