Didn't you just ask this question?
No one has ever been to Mars, how would we know?
Because there is no water on Mars.
Mars doesn't have any water
yes and scientists are finding more about this but there is water on one of the lands of mars which they are if humans can live there
with oxygen water and food you could live in a green house on mars if you can build one
to live on Mars you would need Oxogen, water, food, and lots of sun tanning lotion because Mars is very hot!
yes, because no water and food in planet mars
no you cant because it is physically impossible to live on mars the red planet
Without a spacesuit, airtight building or other breathing apparatus, a human could live for about 3 minutes on Mars. With the right equipment, a human can live indefinitely on Mars.
mars has had frozen water since is was cretated buy God, about 4000 years ago.
No one can yet live on mars. The only thing that isn't a mammal or cannot fly that can survive on mars, is the water bear. It can be seen under a microscope.
As long as you had brought supplies for, as there is nothing there.
No animal could live on mars as far as scientist know scientist have sent out the opportunity and spirit rovers that found ice which proves that there was once water on mars