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The Science of Sand Dune Formation
Contributed by: Hatton
  • 1. What primary force contributes to sand dune formation?
A) Gravity
B) Wind
C) Ice
D) Water
  • 2. Which type of dune is characterized by a crescent shape?
A) Parabolic
B) Barchan
C) Linear
D) Transverse
  • 3. Which natural feature can stabilize sand dunes?
A) Farming
B) Vegetation
C) Urban development
D) Mining
  • 4. What term describes the transport of sand by wind?
A) Aeolian sediment transport
B) Glacial drift
C) Fluvial sedimentation
D) Hydraulic sorting
  • 5. What is the primary cause of dune shape changes over time?
A) Temperature fluctuations
B) Rainfall patterns
C) Earthquakes
D) Wind direction changes
  • 6. How does vegetation impact sand dune ecosystems?
A) Decreases biodiversity
B) Increases sand loss
C) Restricts growth
D) Provides stability and habitat
  • 7. How do sand dunes migrate?
A) Due to wind erosion and deposition
B) By water flow
C) By animal movement
D) Through plant growth
  • 8. Which factor can lead to dune erosion?
A) Low temperatures
B) Strong storms
C) Gentle rainfall
D) Light winds
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