What were the three most important factors for deciding where to live along the Nile River

Which religions are most commonly practiced in south asia

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money