Electricity: mains, battery or none?

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Age: 7-13
Level: 2º Primaria
Language: English (en)
ID: 233730
27/05/2020
Country code: ES
Country: Spain
School subject: Natural Science (1061921)
Main content: Electricity (2010717)

Do these objects get electricity from the main source, batteries or don't they need it?

Other contents: Appliances use of energy

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Electricity: mains, battery or none?

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