Xusuusnow in buuraha ay ku dhacaan saamaynta erosion (biyaha, dabaysha, barafka, iyo culeyska) taas oo si tartiib tartiib ah hoos ugu dhacda aagga kor loo qaaday. Erosion wuxuu sababaa dusha sare ee buuraha inay ka yar yihiin dhagaxyada sameysma buuraha laftooda. Geedi socodka barafka wuxuu soo saaraa qaababka muuqaalka leh, sida pyramidal peaks, arêtes-geed-geed, iyo circles-qaabeysan oo ka kooban harooyin. Buuraha plateau, sida Catskills, waxay ka samaysan yihiin erosion of plateau kor loo qaaday. Su'aal: Maxaa sababa erosion?
dusha sare ee buuruhu waxay ka yaryihiin dhagaxyada ka sameysan buuraha laftooda