character: Gizmo the Martian Technician
topic: Different Life Forms on Mars
grade: 2
subject: English Language
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character: Marvin the Martian
topic: Martian Adventures
grade: 2
subject: English Language
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character: Martian Mike
topic: Exploring Mars
grade: 2
subject: English Language
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character: Zara the Space Explorer
topic: Alien Plants and Animals
grade: 2
subject: English Language
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