6학년1학기실험관찰14쪽

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Age: 12-13
Level: 6
Language: Korean (ko)
ID: 209305
20/05/2020
Country code: KR
Country: South Korea
School subject: 과학 (1061582)
Main content: 지구 (1103412)

낮과 밤이 생기는 까닭

Other contents: 지구의자전

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6학년1학기실험관찰14쪽

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