When oil in the skin pore becomes hardened and dark it is known as ________.
A. a follicle
B. a comedo
C. sebum
D. a lunula
Answer:B
When oil in the skin pore becomes hardened and dark it is known as ________.
A. a follicle B. a comedo C. sebum D. a lunula
Explanation: A) A follicle around a hair is not related to a pore with oil in it.