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3 terms

GeoSystems Definitions

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Hills
Hills are depicted by closed rings of contour lines that get succesfully smaller towards the top of the hill
Valley
Stretched outy groove in te land usually formed by streams or rivers. begin with high ground on 3 sides and usually has a level groound of a lower elevation at its bottom where water course is found
Ridge
Ridge is a sloping line of high ground. Contour lines forming a ridge tend to have a 'V' or 'U' shape with the closed end point awayfrom the high ground