Which factors led to the dust bowl of the 1930s?

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

Political boundaries are determined by the political party in control at the time. true or false

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation