Salad mainly!
If the atmosphere on mars was able to sustain life, then yes you would be able to eat there, assuming you had some food.
you have to eat your own feces
There are no people on Mars, and no astronauts have visited Mars. The Moon, yes, Mars, no.
Not that we know of
you would get to mars by buying a spaceship and hiring someone to fly you to mars.
Presumably the same things we include on earth, a place to sleep, eat, and shower, at the minimum.
eat alian from mars
You can eat almost anything you want in this world, even mars bars, as long as you don't eat too many of them.
Mars has no forms of food unless you eat dirt, sand, and rocks.
so they could eat the candy on the mars bar
According to NASA it seems that MARS chocolate bars are what they eat.
In a space station on Mars, you would likely eat a waffle by floating in microgravity and securing the waffle with a food tray or utensil to prevent it from floating away. You would then use utensils, such as a fork and knife, to cut and eat the waffle while ensuring that crumbs are contained to prevent contamination of the space station environment.