Discovery or invention?

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Age: 6-11
Level: Segundo de Primaria
Language: English (en)
ID: 261018
07/06/2020
Country code: ES
Country: Spain
School subject: Natural Science (1061921)
Main content: Discoveries and inventions (1936504)

Is this a discovery or an invention?

Other contents: Discovery, invention

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Discovery or invention?

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