1 Paleoclimate & Ancient Civilisations बहुविकल्पीय प्रश्नों का अभ्यास करें, विस्तृत उत्तर और व्याख्या सहित। RAS/RPSC परीक्षा की तैयारी के लिए आदर्श।
Q1. A new Nature study on Indus Valley Civilisation decline identified how many mega-drought episodes between approximately 2425 BCE and 1400 BCE?
Explanation
The Nature study identifies four major mega-drought episodes between approximately 2425 BCE and 1400 BCE — spanning over a millennium. These were caused by tropical Pacific warming (El Niño-like patterns) that weakened the Indian Summer Monsoon.
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