miller16
contestada

The first civilizations developed _____. 1)on islands in, 2)river valleys, 3)in mountain valleys

Respuesta :

I'd say they developed in river valleys (2).

Answer:

The answer to your question is 2)river valleys. River valley civilization is an agricultural nation or civilization beside on situated and drawing sustenance from a river.

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I know the answer because i had this on a test