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Member for
3 ปี 7 เดือนAge: 14-18
Level: 9-12
Language: English
(en)
ไอดี: 2246487
17/12/2022
Country code: US
Country: United States
Main content: Gravity (1947938)
Gravitational attraction, weight, force, tides, gravity facts
Other contents: Gravitational attraction, weight, tides, force
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