Natural disasters are a geographic factor that has influenced the changing political borders in the Indus River Valley. Option B is correct.
What is the significance of Indus River Valley?
The Indus River Valley is the most influential source of water for the Punjab and Sindh plains, and it is the backbone of Pakistan's agriculture and food production.
The river is especially essential because rainfall in the reduced Indus valley is scarce. Natural disasters have influenced the shifting political borders in the Indus River Valley.
Therefore, option B is correct.
Learn more about the Indus River Valley, refer to:
https://brainly.com/question/21116968
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