3. If 50 DD/dd pairs of parrots mate, and each pair has 2 offspring, how many of the 100 offspring would you expect to be Dd? O A 0
O B. 100
O C.75
O D. 50

The correct answer is c

Idont see a question here

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