Action of Winds - SS1 Geography Past Questions and Answers - page 1
What is the primary process of wind erosion that involves particles colliding with each other?
Abrasion
Attrition
Deflation
Which landform is characterized by its crescent shape with a gentle windward slope and a steeper leeward slope?
Rock pedestal
Barchan
Yardang
What do you call the elongated sand dunes that align parallel to the prevailing wind direction?
Seif dunes
Yardangs
Zeugens
Which wind-eroded landform is characterized by a raised rock perched on top, resulting from the erosion of its base?
Loess
Yardang
Rock pedestal
Parabolic dunes are typically found in which type of environment?
Coastal areas
Deserts
Mountain ranges
What process of wind erosion leads to the removal of fine-grained materials like sand, silt, and clay from the Earth's surface?
Abrasion
Attrition
Deflation
Which type of dunes often has a complex, multi-crested shape with several arms or ridges radiating from a central point?
Barchans
Star dunes
Parabolic dunes
What type of dunes have the open end pointing into the wind and often form in regions with vegetation?
Barchans
Star dunes
Parabolic dunes
What is the term for the deposit of fine, wind-blown silt and clay particles that often covers vast areas and is fertile for agriculture?
Yardang
Loess
Nebkha
Which feature plays a crucial role in stabilizing desert soils and preventing further wind erosion?
Star dunes
Nebkhas
Seif dunes