In her work as a park ranger, rosa tracks wildlife populations and available food resources to ensure that the different species are able to survive and live together. the drier weather has limited the grassland, resulting in the potential for

We can plant more trees and plants.

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

Gravitational force i believe

What are the choices