What is the correct order of terms to match the following definitions?

1. an area on Earth’s surface defined by relatively unchanging cultural or physical traits, often associated with a formal boundary
2. an area on Earth’s surface defined by one or more linkages and activities occurring in that area
3. an area on Earth’s surface with boundaries that are based on an individual’s perception, thoughts, and/or knowledge of people and their cultural traits, physical geography, and/or the built environment
(1 point)

A.
1. perceptual region
2. functional region
3. formal region

B.
1. functional region
2. formal region
3. perceptual region

C.
1. formal region
2. perceptual region
3. functional region

D.
1. formal region
2. functional region
3. perceptual region

C.

1. formal region
2. perceptual region
3. functional region