Consider the following statements regarding the glaciers of the Karakoram Range: 1. The Siachen Glacier is located in the Nubra Valley, immediately south of the Karakoram Pass. 2. The Biafo Glacier is known for its unique connection with the Hispar Glacier, forming the world's longest glacial system outside the polar regions. 3. The Baltoro Glacier feeds the Shigar River, which is a tributary of the Indus River. Which of the statements given above are correct?

Options:

• A: 1 and 2 only
• B: 2 and 3 only
• C: 1 and 3 only
• D: 1, 2 and 3

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