The thing that indus Valley, Huang, and Nile civilization have in common is :
They began in fertile river valleys
The land/area near the fertile river valleys are always good for planting various types of crops since it's near the water supply and really high in minerals. a Perfect spot to start a civilization
Answer:
Idek how to answer, Ive never watched pokemon
This was the Columbian exchange, named after Christopher Columbus, who contributed to the fact that the continents were now in contact and that the exchange was now possible.
It's not called the European Exchange because it involved more than one continent: it actually involved all of the continents
