Central America is a region on the American Continent. When the American Continent is separated into two continents, Central America is part of the Northern America.
It is a region with seven countries, which are, from north to south: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua and Panama.
Most central American countries are countries where Spanish is spoken. One exception is Belize, whose main language is English. Additionally, some native American languages are spoken, mostly Mayan languages.
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The correct would be option C, Planting a series of different crops each year.
Charlemagne's new technique for farmers to increase nutrients in the soil involved Planting a series of different crops each year.
Explanation:
Charlemagne was a King of the Francs. He was a great emperor and ruled the Francs, Lombard and Romans during his empire. He was very much involved with his people. He was concerned about the agricultural development in his territories.
He introduced a new technique to the farmers of his region to increase the nutrients in the soil. He told them to plant a series of different crops each year. This will increase the nutrients in the soil. Every year, new crops will be planted, and the soil remain fertile and will give more crops each year.
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