Which of the following is a similarity between the Huang River and Indus Valley civilizations?
the use of bronze ritual vessels
a social class system with farmers at the bottom
the exchange of ideas with other cultures
the use of a metal currency
How were the civilizations of the Huang River valley and the Nile River valley similar?
Both began around 4000 BCE.
Both arose in desert regions.
Both failed to develop a writing system.
Both were ruled by dynasties.
