![]() ![]() In von Thunen's model there was a concentric circle of forest around the city because of what? What commodity would be found closest to the market town in von Thunen's model? The Second Agricultural Revolution can generally be traced to Europe within what time frame? Grow cash crops in addition to food crops the farmer needed to surviveīefore the intervention of Europeans, the societies practicing subsistence framing were quite equal because what? What would colonial powers make subsistence farmers do? In areas of shifting cultivation the population cannot have what? method of clearing fields.Ībout how many people practice shifting cultivation in the world today? What is not an example of a hunting and gathering group that still existed in the early 2000s?Ī form of tropical subsistence agriculture in which fields are rotated after short periods of crop production have been domesticated and all of these were domesticated over 4,500 years ago. Where were goats domesticated 10,000 years ago in the Zagros Mountain region?Ĭattle were domesticated in and came to be an important cultural feature of where? Organic food in the United States now constitutes what percent of the total food production.Ĭorn of the American "Corn Belt" originated where? For example, taro, yams, and bananas are associated with the. Where do most scholars believe that seed cultivation occurred?Īccording to Spencer and Thomas, each agricultural hearth was associated with a local grouping of plants. Hunter-gatherers living in the vicinity of the Pacific Ocean specialized in what?Īccording to Carl Sauer, the earliest plant domestication was. ![]() The ratio of percent of labor force to percent of GDP in the agricultural sector of Canada indicates that Canada's agricultural sector is. Guatemala's agricultural sector produces 22.7% of the country's GDP and employs what percent of the labor force? ![]() ![]() What is not an example of a primary economic activity? Bio- genetically engineering now allows the growing of new strains in more acid regions of the Plains States to meet the demand what industry?ĭemand for organic food is greatest in what regions? ![]()
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