Answer:
C. weather maps
Explanation:
They are very used because they show in an easy and illustrative way the meteorogical elements at a given time over an area. Usually they show temperature and different weather conditions such as possible rain or snow. They are the ones used in the news, were the meteorologists indicate the important conditions and make predictions. As I said, they are helpfull because they present the information in a clear manner using colors and animations that make it accesible for everyone.
