The best description of a weather service map is that it shows isolines and isobars.
What is a weather service map?
These are maps that are meant to show the type of weather that an area usually experiences as well as the physical features of the area.
This is why such maps have isolines and isobars which are meant to show the distribution of weather elements across an area.
In conclusion, option A is correct.
Find out more on isolines and contour lines at https://brainly.com/question/26175892.
