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ID number:814161
 
Evaluation:
Published: 25.10.2010.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Arhajs
Kriptozojs
--------------
4500-2600
Rodas vienšūnas organismi. Veidojas zemes garoza, aktīvs vulkānisms. Parāda ūdens.

Proterozojs
----------------
2600-570
Rodas daudzšūnu organismi (bezmugutkaulnieki) . Veidojas kalni, turpinās vulkānisms. Veidojas atmosfēra.…

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