Mars has oodles of oxygen.
Iron Oxide.......................
“Mars has oodles of oxygen.”
No, there’s not very much oxygen. (per purdue.edu)
Mars atmosphere is mostly co2
carbon dioxide - 95.4%
nitrogen - 2.7%
argon - 1.6%
oxygen - 0.13%
carbon monoxide - 0.07%
water - 0.03%*
several trace elements
* varies by season and location