Erythrocytes neurons skeletal and columnar fellas are examples of cells. a. plant b. bacterial c. immunit d. specialized

Erythrocytes, neurons, skeletal cells, and columnar cells are examples of: specialized cells.

No its just makes the straight guy curious

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