Which detail describes how the Köppen system classifies The world into climate zones?

A. This is why we use the Köppen climate classification system.
B. With so many different climates we need a way to define and sort them.
C. These categories are tropical, dry, temperate, Continental, and polar. They are based on average temperature and precipitation.
D. A single continent or country can contain many of these climates.

C. These categories are tropical, dry, temperate, Continental, and polar. They are based on average temperature and precipitation.