Answer:Question 5. identifying the problem
and the other one i correct
Explanation:
What caused the rate of erosion to change around 1905 and 1906?
Answer:
Building the Canadian hydroelectric plant
Answer:
What caused the slope to change around 1905 and 1906? Building the Canadian hydroelectric plant reduced the rate of erosion after 1906. This change in the rate of erosion is represented by the change in the slope on the graph. Hydroelectric dams convert kinetic energy from moving water to electrical energy.
Explanation: