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SEO Best Practices for Content Optimization by sparky11214 is a document available to read on EtoBox.
The earliest Indian civilization emerged in the Indus River valley around 2500 BC. The two main cities, Harappa and Mohenjo-Daro, were well-planned with grid layouts and advanced water and sewage systems. Farming of crops and trade by ship linked the civilization to others in the region. The Indus Valley civilization declined around 1500 BC possibly due to environmental damage, natural disasters, or invasion by nomadic groups migrating from the north.
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- sparky11214
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