The peripheral nervous system includes a. the cranial nerves and spinal nerves. b. all nerves and associated cells that are not part of the brain and spinal cord. c. the brain and spinal cord. d. only the brain.

Dthrough a slow process

Are you asking about a street map usage  if so here is your answer  a street map for a very limited area could simply be a bit map or a .jpg image.  but a more general map would probably store the streets as vectors.  but you shouldn't assume that there is one way to do it

B. they all live in soil