Biology Explain how genetic engineering has improved crop production (not including photosynthesis) in California

True statement gravity force is more on bigger mass, less on smaller mass.all mass fall on planet with same acceleration and speeds

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

It has been around since 1858 so b. false