History
Iranian Revolution by Encyclopedia Brittanica
Science
What Is The Speed Of Light? by TestTube 101
Math
Math Antics – Decimal Place Value by Mathantics
English
Verb Functions and Verb Tenses
Latin
The Neuter Third Declension by latintutorial
Geography
Amazon River | Facts, History, Animals, & Map | Britannica.com
Galapagos Islands | islands, Ecuador | Britannica.com
Falkland Islands | islands and British overseas | Britannica.com
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