Bahan buangan

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Age: 11-12
Level: Tahun 6
Language: Malay (ms)
ID: 1359448
06/09/2021
Country code: MY
Country: Malaysia
School subject: sains (1085124)
Main content: Bahan buangan (2062531)

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Other contents: Kesan pembuangan bahan buangan tidak terancang

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Bahan buangan
Bahan buangan

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