we can not live without water, vegetables, protein and meat.
Foods that we could live without are greasy foods,soft drinks and some other rich in fat and sugar foods.
Nope.
They don't exist, humans can't live without plants or non-meat foods.
NO
yes they can. they actually used to live without humans in herds, until they were domesticated by humans and used for traveling purposes. there are still about 25,000 wild herds of horses.
yes. no.
# # #
Yes humans can live with out heads if they are an zombie.
yes humans can live on jupiter
yes. they help humans food grow which helps the humans by not starving them. Without food humans could not live.If your thinking about animals, animals need plants too, so without plants humans could not live.
grass we can always live without grass
Not unaided. But this is no slight to the dwarfs; humans couldn't live on ANY other planet without substantial life support systems.
Yes.