Mexico's main industries are food and beverages, tobacco, chemicals, iron and steel, petroleum, mining and tourism.
Xem thêmMars is often referred to as the "Red Planet" because the reddish iron oxide prevalent on its surface gives it a reddish appearance that is distinctive among the astronomical bodies visible to the naked eye.
Xem thêmInside Saturn is probably a core of iron, nickel, silicon and oxygen compounds.
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