نتایج جستجو برای: dating back at least four thousand years

تعداد نتایج: 4739960  

2017
Stephen Tooth

Definition Geomorphology is the science that studies the origin and development of landforms and how those landforms combine to form landscapes. Landforms are shaped by geomorphological processes, many of which involve the weathering, erosion, transportation, and deposition of surface materials (rock, sediment) by gravity, ice, wind, or water. Both erosional and depositional landforms can be id...

Journal: :African Archaeological Review 2023

Abstract The site of Jebel Moya, situated in the center southern Gezira Plain southcentral Sudan, has an occupational sequence spanning at least five millennia until around 2000 years ago. Renewed excavation is shedding new light on its chronology and socioeconomic history, including activities such as burial, savanna herding, domesticated sorghum cultivation practices dating to mid-third mille...

Journal: :National Science Review 2019

Journal: :The American Biology Teacher 1941

2011
Adrian Lister

The Late Quaternary extinction of megafauna has been a ‘‘hot topic’’ of research and debate since at least the time of Darwin (who discussed it in the Origin), but especially since the 1960s when Paul Martin ignited the debate with his theory of prehistoric overkill. The topic has had increasing exposure over the past ten years because of the relevance of this, the most recent palaeontological ...

Journal: :Prehospital Emergency Care 2008

2014
S. Albani X. Miao B. L. Otto-Bliesner A. T. Perry A. Pourmand H. M. Roberts

Introduction Conclusions References

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