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Colt1911 [192]
2 years ago
7

The first towns and cities appeared in:

Biology
1 answer:
Angelina_Jolie [31]2 years ago
3 0

Answer:Mesopotamia

Explanation:

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The periodic table of elements arranges all of the known chemical elements using this method. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order is usually according with the increasment (Is this a word?) of the atomic mass.

Explanation:

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