Which Landforms term is correctly associated with formation process: “formed by accumulation of wind-blown sand”, and also with “its shape reflects wind direction and sand supply”?

Correct Answer: Option B — Sand dune. Sand dune is correct because it is formed by accumulation of wind-blown sand. Sand dune is also associated with its shape reflects wind direction and sand supply. A further identifying fact is that Sand dune is its shape reflects wind direction and sand supply. Another useful fact is that Sand dune is associated with barchan is a crescent-shaped dune type. Why the other options are incorrect: Option A — Fjord: It is formed when the sea floods a deep U-shaped glacial valley and is associated with typically narrow, deep and steep-sided. Option C — Fold mountain: It is formed by compression and folding of crustal layers and is associated with often occurs along convergent plate margins. Option D — Block mountain: It is formed when crustal blocks are uplifted along faults and is associated with an uplifted block is called a horst. Exam Takeaway: Link Sand dune with “formed by accumulation of wind-blown sand” and “its shape reflects wind direction and sand supply” for quick revision.