The turning liquid core of our planet. It's composed mainly of magnetic material, and the sheer quantity of it gives us our protective field.
Explanation:
They are equal because of their ethnicity changes or way of life and food, both work as communists for an emperor and for a single government, in the case of Egypt for a pharaoh there was only one good in common, taxes have always existed.
1.) Bartering
2.) Money
3.)Value.
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