The mesosphere is found at 50 to 85 km above earth's surface.

The offspring will be blood type aa, bb, ab and oo or i

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