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Ayushree

The Black Hills, Blue Hills and Green Hills are located in the USA. The Black Hills are a small, isolated mountain range in South Dakota and Wyoming. The Blue Hills are located in Massachusetts and the Green Mountains (Hills) are ...

Ayushree

The Andes is the longest mountain range in the world, stretching over 7,000 kilometers along the entire western coast of South America. It passes through seven countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile and Argentina. While the Himalayas are the ...

Ayushree

The Himalayas originated from the Tethys geosyncline. Millions of years ago, a long, narrow, shallow sea called the Tethys existed between the northern Angaraland and southern Gondwanaland. As the Indian plate moved north, the sediments deposited in the Tethys were ...