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Member for
3 ปี 6 เดือนAge: 9-14
Level: 9
Language: English
(en)
ไอดี: 1384374
12/09/2021
Country code: AE
Country: United Arab Emirates
Main content: Physical and Chemical Changes (2011029)
From worksheet author:
My objective is to illustrate that chemical reactions involve the rearrangement of atoms into new substances.
Other contents:
daily worksheet
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