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Miembro desde hace
3 years 7 monthsEdad: 10-11
Level: 9
Idioma: English
(en)
ID: 1326664
30/08/2021
Country code: AE
Country: United Arab Emirates
Tema principal: Chemistry (2012097)
From worksheet author:
Everything in the universe is made up of small building blocks called matter. Matter refers to any physical substance that takes up space and has mass.
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