Concept:Lines drawn on maps to connect points with the same value of a weather element are called "iso" lines, and each weather factor has its own specific name.Explanation:Isobars connect places that have equal atmospheric pressure.Isotherms connect places that have equal temperature.Isohyets (also spelled isohytes) connect places that receive equal rainfall.Isohels connect places that receive equal sunshine hours.Because the question is about sunshine hours, the correct term is "isohels".Answer:D. Isohels