What is the main reason why the Mesopotamians traded grain and cloth for metal and stone

Which factors add to the greenhouse effect and are caused by human activities?

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j

Quais são as consequencias (positivas e negativas) da extração dos minerais metálicos