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~Precambrian Era (1 gen 250000000 anni a. C. – 1 gen 54500000 anni a. C.)

Descrizione:

Geological: Rocks from this era are hard to interpret
Biological: Evidence of hard life started in the ocean

Aggiunto al nastro di tempo:

Shuman Earth Geologic Time ~ Colson, K.

ByKennedy Colson

18 ott 2019

1

0

315

Data:

1 gen 250000000 anni a. C.

1 gen 54500000 anni a. C.

~ 5883516 years

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