geography
posted by Helena .
does anyone know what a megacity is and which cities are a megacity and a millionaire city and which are a millionaire city.
thankyou!!!

Since this is not my area of expertise, I searched Google under the key words "megacity 'millionaire city' difference" to get this:
http://www.google.com/search?client=safari&rls=en&q=megacity+%22millionaire+city%22+difference&ie=UTF8&oe=UTF8
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
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