According to the lecture Fossil Fuels, Carbon Dioxide, and Climate Change, how much is sea level expected to change over the next two to three decades? Question 15 options: It is expected to vary, rising by more than a foot in some locations and falling in others. It is expected to rise by a foot before falling due to increased evaporation and drought.. It is expected to continue to rise by at least 10 inches, maybe more. It is expected to rise by about 10 inches before leveling off