Which of the following statements comparing the five themes of geography and the six essential elements of geography is true?
a.
the five themes of geography are becoming more popular.
b.
their categories cannot be compared; they are too different.
c.
they have the same number of geographic categories.
d.
the six essential elements of geography are used more commonly.

The correct answer is C) They have the same number of geographic categories.

The statement that compares the five themes of geography and the six essential elements of geography is "they have the same number of geographic categories."

The six essential elements of Geography are places and regions, the world in spatial terms, human systems, physical systems, the uses of geography and the environment and society.  The five themes of geography are human-environment interaction, location, place, movement, and region. All these elements help geographers to study and better understand Geography and its effects on humanity.