Which of the following statements about geographic theme of region is false

The choices for this question are:

a. Regions are always unchanging and distinct in nature.

b. Different perceptions of a region can make that region less defined.

c. A region is an area on Earth that is defined by certain unifying characteristics.

d. Regions are based on human perceptions.

Answer: d. Regions are based on human perceptions

The geographic theme of region considers the geographical location of an area which is called a region. Thus, regions are not merely formed through subjective perceptions but through all the other statements combined except d.