Which of the following are the three kinds of rna?
a. rrna, drna, mrna
b. rrna, mrna, trna
c. irna, mrna, srna
d. trna, drna, rrna

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

Give me the statements