Ndzhawu yivuriwa arid loko yitiveka hiku pfumaleka swinene ka mati, kufikela laha yi sivelaka kumbe ku sivela kukula naku kula ka vutomi bya swimilani na swiharhi. Tindhawu leti tivekaka hi maxelo yo oma ti tala ku pfumala swimilana naswona ti vuriwa xeric kumbe mananga . Maxelo yotala ya "arid" yatshama eka equator ; tindhawu leti ti katsa swiphemu swa Afrika, Asia, Amerika Dzonga, Amerika Xikarhi na Australia .