Answer:
It is dynamic: Digital maps are dynamic which means one can choose to view the previous versions of the represented area unlike paper maps. Digital maps can represent all features at the same time: Digital maps can be used to represent all features of a given area at the same time.
Explanation:
Every 365 days. One revolution = one year, and a fun fact is that scientists started to know the earth was moving in the beginning of the 16th century. :-)