<Li> <P> Bronze flag found in Shahdad, Kerman, (now Iran), 3rd millennium BC </P> </Li> <P> Bronze flag found in Shahdad, Kerman, (now Iran), 3rd millennium BC </P> <Li> <P> Ewer from 7th - century Iran . Cast, chased, and inlaid bronze . Metropolitan Museum of Art, New York </P> </Li> <P> Ewer from 7th - century Iran . Cast, chased, and inlaid bronze . Metropolitan Museum of Art, New York </P>

Which two metals did the mesopotamians combine in order to make bronze