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