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1 IsticmaaleYou must login to add an answer.
Waayada jiyooloojiga waa:
Kambiriyan ka horreeye (Arche Or pre-Cambrian ime), waxaa looyaqaanaa Waga Ka horeeya waaga koowaad
Waaga baaliyosooiga (paleozoese): waxaa lagu tilmaamaa inuu ahaa waayada jiyoolajiga kan ugu dheer.
Waaga labaad (waagaanmesosooik) ama waagii nolosha dhexe: dherer ahaan wuu ka gaabanyahay waagii isaga kahorreeyay.
Waaga seddexaad (Kinozoi): xagga dhererka wuu ka gaaban yahay waaga labaad.
Waagacusub: guud ahaan waa kan ugu waqtiga gaaban dhammaan waayada jiyooloojiga