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Ciekawostka: Canada makes up 6
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4 zapisanych źródełEvidence: 35 • authority: 92
Earth is mostly diffusive: A global analysis of landscape evolution.. Earth's landscapes-from mountains to river deltas-are shaped by sediment erosion, transport, and deposition. However, most landscape evolution models represent only two processes: diffusive soil creep and bedrock river incision. How much of Earth's surface can be represented by these two processes alone? To address this question, we mapped the global abundance and distribution of eight major geomorphic process domains, finding that ~75% of Earth's land area consists of soil-mantled hillslopes and flatlands dominated by diffusive soil creep, while 0.5% is a bedrock river corridor. While other process domains (glaciers, lak…
Otwórz źródło ↗Evidence: 35 • authority: 72
In the 16th century Samuel de Champlain and Gabriel Sagard recorded that the Iroquois and Huron cultivated the soil for maize or "Indian corn". Maize (Zea mays), beans (phaseolus), squash (Cucurbita) and the sunflower (Helianthus annus) were grown throughout agricultural lands in North America by the 16th century. As early as 2300 BC evidence of squash was introduced to the northeastern woodlands region. Archaeological findings from 500 AD have shown corn cultivation in southern Ontario. Eastern Canada was settled well before the West. Immigration and trading posts came later to Rupert's Land and the Northwest Territories. The early immigrants combined European agricultural and domesticatio…
Otwórz źródło ↗Evidence: 35 • authority: 72
Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the second-largest country by total area, with the longest coastline of any country. Its border with the United States is the longest international land border. The country is characterized by a wide range of both meteorologic and geological regions. With a population of over 41 million, it has widely varying population densities, with the majority residing in its urban areas and large areas being sparsely populated. Its capital is Ottawa and its three largest metropolitan areas are Toronto, Montreal, and Vancouver.…
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