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Jan Crisides Corrado

28 �ݺ�ߣShares 220 Followers 147 Followings

Block User

28 �ݺ�ߣShares 220 Followers 147 Followings

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Organization / Workplace

Quezon City, Philippines

Presentations(28)��

E. the planet earth

E. the planet earthJan Crisides Corrado

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A. history of astronomy

A. history of astronomyJan Crisides Corrado

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B. the universe

B. the universeJan Crisides Corrado

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C. the solar system

C. the solar systemJan Crisides Corrado

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D. the moonJan Crisides Corrado

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C. operant learning

C. operant learningJan Crisides Corrado

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