What purpose is served by including the example of a man's elaborate tattoo of a serpent?

a
to provide insight into little-discussed criminal elements of chinese society
b
to explain why tattoos were never accepted within upper classes of chinese society
c
to elaborate the earlier mention of the serpent image as a way to ward off evil
d
to show that, despite strict social conventions, some personal expression still existed

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.

answer; not notated (at least, not in the traditional sense) and includes many improvised sections and solos;

answer; motor cortex;