Concept:One degree of latitude is approximately equal to 111 km along the Earth’s surface.Explanation:The city Z is located at latitude 30∘N, while the equator is at 0∘.The angular distance between the equator and city Z is therefore 30∘.Distance is found by multiplying the number of degrees by the distance per degree:30×111 km=3,330 kmAnswer:C. 3,330 km