Which is an element? O A. A molecule made of iron and oxygen
O B. An alloy of iron and tin
O C. A nail made of iron
D. A mixture of iron and lead

C.) A nail made of iron

Explanation:

Elements are not just one atom. However, the atoms must all be of the same type. A, B, and D all contain a mixture of different types of atoms. C is the only answer that contains just one type of atom.

the culture of the americas was influenced by the language, food, and music of africa.

explanation:

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nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.