Concept:A complete website address uses the correct protocol prefix http:// followed by www and a valid domain.Explanation:A has hhpp://, which is invalid.B has hhtp:// and wwww, which are incorrect.C has the correct format http://www.waecghana.org.D has htpp://, which is invalid.Thus, only option C is a complete website address.Answer:C. http://www.waecghana.org