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Consider the following statements about Dunes.
1. Dunes are, in fact, hills of sand formed by the accumulation of sand and shaped by the movement of winds
2. They may be active or live dunes, constantly on the move, or inactive fixed dunes, rooted with vegetation
3. Dunes are most well represented in the erg desert
Which of these statements is/are correct?
  • a)
    1 and 2 only
  • b)
    2 and 3 only
  • c)
    1 and 3 only
  • d)
    All of them
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Consider the following statements about Dunes. 1. Dunes are, in fact,...
  • Dunes: Dunes are, in fact, hills of sand formed by the accumulation of sand and shaped by the movement of winds. They may be active or live dunes, constantly on the move, or inactive fixed dunes, rooted with vegetation.
  • Dunes are most well represented in the erg desert where a sea of sand is continuously moved, reshaped and redeposited into various features.
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Most Upvoted Answer
Consider the following statements about Dunes. 1. Dunes are, in fact,...
Explanation:


- Dunes are hills of sand shaped by wind: Dunes are indeed hills of sand formed by the accumulation of sand and shaped by the movement of winds. The wind carries sand particles which are deposited in specific areas, leading to the formation of dunes.

- Active and inactive dunes: Dunes can be classified as active/live or inactive/fixed. Active dunes are constantly moving due to the force of the wind, while inactive dunes are stabilized with vegetation. This distinction is crucial in understanding the dynamic nature of dunes.

- Dunes in erg deserts: Dunes are most well represented in erg deserts, which are vast areas of sand dunes with little to no vegetation. Erg deserts are known for their extensive dune fields, making them a prime example of dune formations in nature.

Therefore, all three statements are correct. Dunes are hills of sand shaped by wind action, they can be active or inactive depending on movement and vegetation, and they are commonly found in erg deserts.
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Consider the following statements about Dunes. 1. Dunes are, in fact, hills of sand formed by the accumulation of sand and shaped by the movement of winds2. They may be active or live dunes, constantly on the move, or inactive fixed dunes, rooted with vegetation3. Dunes are most well represented in the erg desertWhich of these statements is/are correct?a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of themCorrect answer is option 'D'. Can you explain this answer?
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Consider the following statements about Dunes. 1. Dunes are, in fact, hills of sand formed by the accumulation of sand and shaped by the movement of winds2. They may be active or live dunes, constantly on the move, or inactive fixed dunes, rooted with vegetation3. Dunes are most well represented in the erg desertWhich of these statements is/are correct?a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of themCorrect answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements about Dunes. 1. Dunes are, in fact, hills of sand formed by the accumulation of sand and shaped by the movement of winds2. They may be active or live dunes, constantly on the move, or inactive fixed dunes, rooted with vegetation3. Dunes are most well represented in the erg desertWhich of these statements is/are correct?a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of themCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements about Dunes. 1. Dunes are, in fact, hills of sand formed by the accumulation of sand and shaped by the movement of winds2. They may be active or live dunes, constantly on the move, or inactive fixed dunes, rooted with vegetation3. Dunes are most well represented in the erg desertWhich of these statements is/are correct?a) 1 and 2 onlyb) 2 and 3 onlyc) 1 and 3 onlyd) All of themCorrect answer is option 'D'. Can you explain this answer?.
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