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[NP] The invention of agriculture some 10,000 years ago disrupted these ancient soil-building processes.When humans started draining and plowing up the natural topsoil for planting, they exposed the buried carbon to oxygen, creating carbon dioxide and releasing it into the air.Chert, jasper and quartzite were often used by humans during this period. With the right stewardship, Lal says, the agricultural soils of the world have the potential to soak up 13 percent of the carbon dioxide in the atmosphere today - the equivalent of scrubbing every ounce of CO2 released into the atmosphere since 1980.[....] For millions of years, a natural partnership between plants and soil microbes has helped regulate carbon dioxide levels in the atmosphere.
About 2,000 possibly man-made artifacts have been dredged and carbon-dated from 8,500 to 9,500 years old."*Trivia: "Stone Age rock shelters with paintings at the Bhimbetka rock shelters in Madhya Pradesh are the earliest known traces of human life in India.
Researchers probing the ocean bottom have found 18-story-high towers of stone deep in the ocean near a section of volcanic fault ridges that extend for 6,200 miles along the Atlantic Ocean floor."9,000 B. - Jericho Settlement - "This city, located near a permanent spring a few miles west of the Jordan River was excavated by Kathleen Kenyon. Manfred Heun of the Agricultural University of Norway, along with Norwegian, German, and Italian colleagues, examined the DNA of 68 lines of cultivated einkorn (Triticum monococcum monococcum), 194 lines of wild einkorn (T. boeoticum) from nine geographical regions within the Fertile Crescent, and nine lines of a weedy einkorn (T. aegilopoides) found in the Balkans." - Fig Cultivation / Middle East - "[....] In the Middle East, figs were domesticated 11,400 years ago. In the New World, corn was being cultivated 9,000 years ago. Some scholars have proposed that the Sumerians came by ship, landing on the north shore of the Persian Gulf.' " 8,000 B. - Florida Indians - "Florida's Aucilla River is yielding evidence of the adaptability of Paleoindians to their changing environment at the end of the Pleistocene, 10,000 years ago.
There were indications of settlement after 9,000 B. For a decade, researchers from the Florida Museum of Natural History have been excavating the Page-Ladson site, and this past fall  they uncovered the ground surface of a Paleoindian habitation at a depth of 15 feet.
From around 550 BCE, many independent kingdoms and republics known as the Mahajanapadas were established across the country. [....]" [Based on: - [T. - 12/15/08]*Trivia: "[....] At the Rock Shelters of Bhimbetka humans lived throughout the Upper Paleolithic (10th to 8th millennia BC), revealing cave paintings dating to ca. The ensuing increase in food resources made possible a spectacular growth of human population between 80 B. It also required cooperative effort, particularly after the introduction of irrigation led to the establishment of settled organized societies, at first in villages and later in towns and cities, and the development of new technologies, social systems and ideologies." [Based on: Compact History Of The World, edited by Geoffrey Parker, copyright 2003, pp.
7000 BC; the Sivaliks and the Potwar (Pakistan) region also exhibit many vertebrate fossil remains and paleolithic tools. 16-17] - [First published by Times Books (as The Times Compact Atlas of World History) 1995 - updated and reprinted 2002] *Trivia: "If Ohio State University soil scientist Rattan Lal is right, one of the simplest solutions to climate change may be right under our feet.