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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.

2 Answers

4 votes

Answer:

d

Step-by-step explanation:

User Joe Rinehart
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2 votes

Answer:

they were both ruled by dynasties

Step-by-step explanation:

User QingYun
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