Yintoni umahluko phakathi kwesicoci samanzi esinetanki yokugcina amanzi nangaphandle kwetanki?
Umahluko phakathi kwezi zimbini mkhulu kakhulu. Kukho amanqaku ama-3, musa ukuthenga engalunganga. Okokuqala, kukho umahluko kumaxabiso, lawo anemiphanda amaxabiso aphantsi, yaye lawo angenayo itanki yokugcina amanzi ayabiza. Umzekelo, ibhrendi enolonwabo olufanayo...
jonga iinkcukacha