Question 1
The loess deposited in many parts of the Midwest ________.
◦ was once glacial outwash deposits
◦ is in the form of transverse dunes
◦ had its source in desert regions
◦ is uniformly thick
Question 2
Note the diagram below, which depicts a dune setting
Based on the diagram, which of the following statements is true?
◦ Sand is moved up the left side of the dune and slips down the right side.
◦ The right side of the dune has a gentler slope.
◦ The wind direction will likely always remain the same.
◦ The leeward side is the left side of each dune.