the extent of prairies and velds
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Answer:
Extent of Prairies are central north America , American Midwest and smaller portions of southern central Canada and located in the North America between the Rocky Mountain on the west and Appalachians on the east. Answer: The prairies are a vast stretch of gently sloping grassland in north America .
The Highveld comprises most of the high-plateau country of Southern Africa. Except in Lesotho, where it extends well above 8,200 feet (2,500 metres) and even above 11,000 feet (3,400 metres) in places, all of it lies between 4,000 and 6,000 feet (1,200 and 1,800 metres) above sea level.
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Answer:
The Highveld comprises most of the high-plateau country of Southern Africa. Except in Lesotho, where it extends well above 8,200 feet (2,500 metres) and even above 11,000 feet (3,400 metres) in places, all of it lies between 4,000 and 6,000 feet (1,200 and 1,800 metres) above sea level. The South African part of the region is bounded to the east and south by the Great Escarpment, which consists of the Drakensberg and Cape ranges, and by the Lesotho Highlands. Its less clearly defined northern and western boundaries coincide roughly with the 4,000-foot contour. Most of it is underlain by sedimentary strata of the Karoo System (or Karoo Super Group), dating from about 345 to 190 million years ago, and to older pre-Karoo material. Among these are coal-bearing strata. These materials have been eroded over a long period of time to produce generally flat plains, dissected occasionally by deeply carved valleys and including relict mountains and scattered steep-sided hills called kopjes, or koppies. The Highveld plains are thought to have been created by pedimentation, in which the areas around resistant rock are eroded away, leaving mountains of low relief and kopjes. Large areas of the western part of the region are also covered by “pans,” which are shallow and ephemeral lakes, often with salty crusts; these are found especially in several provinces in South Africa.
