Kungani sinezinkathi ezihlukahlukene emhlabeni?
Kungenxa yokuthambekela komhlaba ekuthambekeni kwawo. Njengamanje, umhlaba uthambekele cishe ngama-degree angu-23,5 emzileni wawo ozungeza ilanga. Uhlangothi lomhlaba oluseduze nelanga luthola ukushisa okwengeziwe elangeni. Yingakho lapho kusehlobo engxenyeni esenyakatho yomhlaba, kusebusika engxenyeni eseningizimu yomhlaba futhi kube okuphambene nalokho.