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Member for
3 ปี 7 เดือนAge: 12-14
Level: 7
Language: English
(en)
ไอดี: 1292379
22/08/2021
Country code: TH
Country: ไทย
Main content: Pure substances and mixtures (2003226)
Observe what the objects in the picture are made of and try to conclude what are pure substances and mixtures
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