What is the mountain range in northern india called? and how did it

The mountain range in Northern India is the Himalayas.  It is important to India because it serves as a protective barrier from invaders, save India from cold and dry winds from Central Asia (without it, it would be a dry desert), provide wood for houses from its forests and vegetation and water from runoff from mountains and the rich soil from the bottom of the mountain (more above is just ice), the source of water for North India, tourism, healing medicine, and good training for the Indian army.

Fun facts:
These are the tallest mountains of the world and they stretch for 2400km which is 141.291 miles long and consists of Mount Everest the tallest mountain on Earth which is 29,029 feet high which is about 5 miles up into the air, it's peak is 8848 feet above sea level.

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The correct answer is d