Which mountain range forms the boundary between the Tibetan Plateau and the Indian subcontinent?

The Deccan Plateau is located in which country? The highlands of which African country are home to the Amhara people? The Cumberland Plateau is part of which mountain range in the United States? The Loess Plateau is located in which country? The Colorado Plateau is known for its unique landscape feature of? What is the name of the highland region in central Vietnam? The Ethiopian Highlands are drained by which major river? The Colorado Plateau covers parts of which four US states?