A Transverse Dune Is a Relatively Straight, Elongated Dune Oriented

Q43: Sand moving over a dune surface by

Q44: Where sand supply is limited a _

Q45: A butte is a narrow valley with

Q46: _ is a hard shiny coating of

Q47: _ is the dominant agent of erosion

Q49: The "horns" in a _ dune point

Q50: _ has extensive loess deposits up to

Q51: A _ dune is deeply convex and

Q52: Dunes are not just desert features, they

Q53: In the United States, large areas of