I think glass does. or maybe a glass prism.
Answer:
I believe that the discovery of new artifacts can bring many improvements to historical interpretations along with additional information for understanding historical facts. Thus, new causes can be found and analyzed that could lead to a certain phenomenon.
The main difference between different types of map projections is : the way they display landmasses
Most of the map will display it as flat image, while the others displayed it like bailey's words.