Biogeochemical cycles recycle water and natural elements throughout the biosphere to ensure that organisms do not run
out of these substances
Wate change
N
NOS
(NO
Amon
Diagram by NASA/Kevin Saff
Diagram by Ilmari Karonen
DAL

Ты не знаешь ни английского языка

The answer is option b.

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