16. Lines 1 to 4 in the graph correspond to different latitudes. Which one of the following statements is correct?(A) All latitudes shown in this graph are in the southern hemisphere. (B) At latitude 1, the Sun is perpendicular to the Earth’s surface at solar noon at the June solstice. (C) Latitude 3 is closer to the equator than latitude 2. (D) Latitude 4 is closer to a polar circle than latitude 1.