Question: Isiphi isenzo esiyindlela engcono kakhulu yokuhlukanisa ingxube kasawoti namanzi?
Options:
usebenzisa uzibuthe ukukhipha usawoti
ukwengeza udayi onemibala enhlanganisweni
ukuthela ingxube ngesihlungi
ukubilisa ingxube kuze kube yilapho amanzi ehwamuka
Answer: D