climatic optimum
61Pre-Columbian savannas of North America — Pre Columbian savannas once existed across North America. These were created and maintained in a fire ecology by Native Americans until the 16th century death of most natives.cite web|url=http://www.treesearch.fs.fed.us/pubs/4554|title=Wildland… …
62Minuma — Picture showing a scene of Minuma Minuma (見沼, Minuma?) or Minuma Rice Paddies …
63Доисторическая Шотландия — Руины Дун Карлоуэя  броха железного века Доисторический период в истории Шотландии охватывает часть истории Шотландии со времён первого засвидетельствованного …
64Decline and end of the Cucuteni–Trypillian culture — Characteristic example of Cucuteni Trypillian pottery …
65Diet of the Cucuteni–Trypillian culture — Characteristic example of Cucuteni Trypillian pottery …
66Michael E. Mann — 230px Michael Mann Nacionalidad estadounidense Campo Paleoclimatología Controversia del gráfico de hockey Michael E. Mann …
67История Альберты — Альберта на карте Канады История Альберты, канадской провинции, тянется со времён последнего ледникового периода. Именно в те времена началось засел …
68agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
69vegetable farming — Introduction growing of vegetable crops, primarily for use as human food. The term vegetable in its broadest sense refers to any kind of plant life or plant product; in the narrower sense, as used in this article, however, it refers… …
70river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
