David Bowie composed "Life on Mars?" It is a fantastic song and if you have never heard it you should really listen to it!
Atoms on mars are composed of protons and electrons which are composed of quarks, the same as atoms everywhere in the universe.
Mars's atmosphere is composed of about 2.7% nitrogen.
iron
The interior of Mars is composed of iron, nickel and sulfur.
it has the same core as earth, just on another planet
zzz
carbon dioxide
No Mars is composed mostly of rock. The atmosphere is very thin.
Mars has a very thin atmosphere composed primarily of carbon dioxide.
The is no known planet composed primarily of Iron Oxide.
It is not known who vanished life on Mars. There are however proofs that there was once life on Mars.
can life exist on mars