Answer:
because time period does not depend upon the weight of the world
Fields of study are often called with names of Latin and Greek origin and this is also the case here!
The latin for "map" is "carta" and writing is "graph..." and together they form "cartography" - which is the correct answer.
A person who is making maps is called a cartographer.
The northern-most country is Sweden, Right under it is Denmark, to the left (or west) is the United Kingdom, the boot shaped country is Italy, above Italy is Switzerland, and to the South west, (bottom left) is Spain.
The correct answers consist of C, D, and E