| Chemistry Around the House |
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7.1 |
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| Chemists in Action |
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| Chicago Blackhawks |
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6.5 |
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| Child Abuse |
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7.0 |
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| Christopher Columbus: Sailing to a New World |
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7.2 |
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| Cities and Statecraft in the Renaissance |
|
8.2 |
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| Cleaning Chemistry |
|
6.9 |
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| Climate Change |
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7.7 |
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| Collaborating in the Digital World |
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| Combat Helicopters |
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6.4 |
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| Combat Planes |
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6.4 |
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| Comic Books and Manga |
|
5.1 |
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| Communicating in the Digital World |
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| Communication in the Ancient World |
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| Communication Inventions: The Talk of the Town |
|
5.9 |
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| Computer Networks |
|
6.2 |
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| Computing and Coding in the Real World |
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| Conquering Everest |
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5.5 |
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| Co-Ops, Teams, and MMOs |
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| Coping with Loss. The Life Changes Handbook |
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| Creating in the Digital World |
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| Crusades |
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5.6 |
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| Crystal Meth |
|
6.9 |
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| Cultural Traditions in Italy |
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