The correct answer is: d) All of the above
Sikkim is a state in northeastern India that is located in the Himalayas. It is a mountainous region with a diverse climate and a rich history. The prehistory of Sikkim is important for understanding early migration patterns, cultural evolution, and human adaptation to the Himalayan environment.
Early migration patterns: The Himalayas are a major mountain range that separates India from China. They have been a barrier to migration for centuries, but there is evidence that people have been living in Sikkim for at least 10,000 years. Studying the prehistory of Sikkim can help us to understand how people first arrived in the region and how they adapted to the harsh environment.
Cultural evolution: Sikkim is a multi-ethnic state
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