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> Iron, Calcium and Zinc are easy to obtain When you're trying to grow plants in artificial environments on an inhospitable planet 40 million miles from earth?
by Irregardless 14y ago
> Iron, Calcium and Zinc are easy to obtain
When you're trying to grow plants in artificial environments on an inhospitable planet 40 million miles from earth? Oh, okay...
- raverbashing 14y agoYes they are. Chemical elements are the same everywhere. Minerals on Mars are similar as well. http://en.wikipedia.org/wiki/Abundance_of_the_chemical_elements#Abundance_of_elements_in_the_Universe http://en.wikipedia.org/wiki/Abundance_of_the_chemical_eleme...