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1 vote
Why did people move out of the Indus Valley in 1500 BC?

A. Unchecked deforestation
B. For unknown reasons
C. The original outbreak of smallpox
D. Extensive flooding for many years

User JhonnyTawk
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2 Answers

2 votes

Answer: b

Step-by-step explanation:

User Flak DiNenno
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4 votes

The answer should be B. There is speculation of disease or flooding but nothing appears to be confirmed yet.

User Luciano Mammino
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