The statement which best describes what the arrows represent is: B. Air flows in different directions over long distances.
What is air circulation?
Air circulation can be defined as the movement and flow of atmospheric air from point of the equator to another such as North pole to South pole, especially over long distances.
This ultimately implies that, the movement and flow of atmospheric air from different points of the Earth over long distances, can be depicted through the use of an arrow as shown in the diagram above.
Read more on Earth here: brainly.com/question/1286910