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eras geologicas

es una unidad geocronológica formal de la escala temporal geológica que representa el tiempo correspondiente a la duración de un eratema, la unidad cronoestratigráfica equivalente que comprende todas las rocas formadas en ese tiempo.
biología Recommended age: 17 years old
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  1. 1
    Ricardo Aperador Rubio
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  2. 2
    Consolación Casamayor
    00:13
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