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2 ปี 10 เดือนAge: 5-11
Level: Grade 1-3
Language: English
(en)
ไอดี: 1506434
10/10/2021
Country code: VN
Country: Vietnam
Main content: Air (2010181)
From worksheet author:
Primary school science worksheet on the topic of air, wind and air pollution, and what we can do to keep the air clean.
Other contents:
Wind, Pollution
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