Someone else posted is, its called the red planet due to the rust content of the soil. Mix iron with oxygen and and you get rust eventually. The amount of iron covering the planet just has to do with the chemical composition of the planet.
If you would like to know more, go to the library and put some effort in, googling it doesn't cut it
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Why would there be iron if humans havent even been to mars to make it? These explanations aren't working for me
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Iron is an ore, it is mined and then refined to create different forms of different metals
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Who mined it on mars?
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Look at the periodic table, its labeled Fe just left of center.
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Its a natural -blam!-ing element. We refine it to get what you see... Your a horrible troll BTW. I firmly believe you are handicapped mentally
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I'm starting to see that as well...