On maps, places with equal sunshine duration are joined by?
Answer Details
On maps, places with equal sunshine duration are joined by isohels.
Isohels are lines drawn on a map to connect points that receive an equal amount of sunshine duration in a given time period, such as a day or a year. These lines are often used on weather maps to help show the distribution of sunlight across a particular region.
Isohyets are used to connect places with equal rainfall amounts, isotherms join places with equal temperature, and isonephs join places with equal cloud cover. Therefore, the best fit for the given description is isohels, as it refers specifically to the joining of places with equal sunshine duration.