Two placemarks are located in the white sands desert, one marking some parabolic dunes, and the other marking some barchanoid ridge dunes. the shape of these dunes can tell you the direction of the prevailing winds in that area. use the sketches below to you work through the following exercise.

Current events - by going to any of the major news sources on the internet, find out the issues that are being discussed in congress by searching under "politics." find a subject that interests you, tell what it is and explain what the issue is about. detail what the arguments are on each side of the question.