Which Method Oorganization Is Used in the Following Main Points

Multiple Choice

Which method oorganization is used in the following main points?
I. The outer layer othe skin, the epidermis, is about as thick as a sheet opaper.
II. The middle layer othe skin, the dermis, is 15 to 40 times thicker than the epidermis.
III. The innermost layer othe skin, the subcutaneous tissue, is by far the thickest layer.

A) topical
B) visual
C) scientific
D) ascending
E) spatial