Which are thought to have contributed to the decline of the indus valley civilization? choose all answers that are correct. a. cities were destroyed by raging fires. b. major sandstorms blanketed the cities, forcing people to leave. c. the soil became too salty for crops to grow. d. the indus river and its tributaries changed course. e. people moved to more fertile regions of the subcontinent.

The Answers are

E. People moved to more fertile regions of the subcontinent.  

C. The soil became too salty for crops to grow.

The Answers are E and C.

Explanation:

It extends from the Nile River in Egypt to the Tigris and Euphrates waterways in present day Iraq. It additionally envelops a few different nations, including Israel, Lebanon, Jordan and Syria. The western edge of the Fertile Crescent outskirts the Mediterranean Sea, while the eastern edge compasses to the Persian Gulf.The immense mainland has 60% of the world's uncultivated arable land, a large portion of it unframed. The land effectively under development, for the most part by little ranchers, could deliver unmistakably. Harvest yields in Africa are between 33% and one-portion of the worldwide normal.

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