Which if these descriptions best matches feudalism

Which region was the hearth for the largest number of agricultural animals such as pigs sheep and cows

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

What is the thickest layer of earth called?