Answer:
It should be the persians.
Explanation:Technically it is persians since they're referred to that even today although iranians referred to themselves as aryans back then.
Answer:
Water level increase, animals that live on ice caps adapt or die, food chain thrown off etc.
Answer:
The only factor that distinguishes different cylindrical map projections from one another is the scale used when spacing the parallel lines on the map. The downsides of cylindrical map projections are that they are severely distorted at the poles.