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Cris John has helped students times in
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Cris John

Hello, I'm a Filipino with a passion for Science and knowledge about the world around me.


1,700 karma · Philippines
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Level 4 in Chemistry Level 3 in Astronomy Level 2 in Biology Level 1 in Geometry Level 1 in Environmental Science Level 1 in Earth Science Level 1 in U.S. History Level 1 in World History
Activity 6 Answers 2 Edits
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