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Where does gold come from?
Gold is a rare metal, which is often challenging and dangerous to extract. But where does it come from?
02:19
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Klassid 5 – 12
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Gold is a rare metal, which is often challenging and dangerous to extract. But where does it come from?
02:19
Füüsika
Klassid 5 – 12
mozaLink
/Veebilink