<prompt> Qedela umusho olandelayo: Ukuguguleka komhlaba kuthwala imfucumfucu iphume ezintabeni iye olwandle i - Atlantic Ocean ngasempumalanga naseGulf of Mexico ngasentshonalanga. Lokhu kuhamba kwemfucumfucu kunganciphisa ingcindezi yamadwala aphezulu futhi kubangele ukuba amaphutha asendulo ake asebenza phakathi nezinqubo zokwakhiwa kwezintaba asebenze futhi adale ukuzamazama komhlaba. Kukholakala ukuthi lokhu kuyisici ekuzamazameni komhlaba kweSparta ngo-2020 kanye nokunye okwenzeka esifundeni njenge-  <response>: Ukuzamazama komhlaba kwaseVirginia ngo-2011. 