Where Sand Supply Is Limited a Barchan Dune Generally Develops

Q2: _ is a thin surface layer of

Q3: A _ is a depression on the

Q4: Most sand dunes are asymmetric in cross

Q5: A desert is any region which has

Q6: The angle of repose of sand-sized particles

Q7: This agent of erosion and deposition is

Q8: Loess deposits in the U.S. Midwest are

Q9: A large dune type is the _

Q10: Ventifacts are rocks with rounded water-abraded surfaces.

Q11: Dune types are influenced by wind velocity.