Claudia S. A.

@claudiasitten

Ing.Ind.y de Sist., interesada en personas, inventos, ciencia, tecnologĂ­a, redes sociales, part.ciudadana, naturaleza, ecologĂ­a.

The earth: 4.6 billion years old scaled to 46 years

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1260 days ago

The earth: 4.6 billion years old scaled to 46 years

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