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Member for
3 ปี 1 เดือนAge: 8-13
Level: 3-7
Language: English
(en)
ไอดี: 991424
11/05/2021
Country code: US
Country: United States
Main content: Properties of Waves, Light Spectrum (1373806)
From worksheet author:
identify the different types of Vision
Other contents:
Sight and Vision
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