TeachMeFinance.com - explain Quaternary period
Quaternary period The term 'Quaternary period' as it applies to the area of carbon dioxide can be defined as ' The latest period of geologic time, covering the most recent 2,000,000 years of the Earth's history. It is divided into two epochs: the Pleistocene - 2 million years ago to approximately 10,000 years ago - and the Holocene - the period from approximately 10,000 years ago to the present. The Quaternary period is the artificial division of time separating prehuman and human periods. It contains five ice ages and four interglacial ages, and temperature indicators seem to show sharp and abrupt changes by several degrees'.
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