A river runs through a valley. Over time, the valley changes LOW
River 50 Years Ago
River Today
min
Earth's
3
Explain how the river changes the valley over time.
s
B
2
s
's
Describe the observations that can be made to provide evidence for the changing valley
B
Earth?
Earth?
Describe a way that the river could change the valley faster
B
2
C2020 Samtum mere

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