Citations and References

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NASA. (2012, March 22). Solar storm dumps gigawatts in earth's upper atmosphere. Retrieved from

National Governors Association Center for Best Practices. (2011). Common core state standards initiative. Retrieved from

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Oreskes, N. & Conway, E. M. (2010). Merchants of Doubt. NY: Bloomsbury Press. 355p.

Whitehouse, D. (2004, July 6). Sunspots reaching 1,000-year high. BBC News Online. Retrieved from