Explain how karst topography is altered through dissolution, from initial sinkholes to karst towers.

For the questions, answer in complete sentences. Be as thorough as you can with your answers. 1. Describe changes to the land in a river environment, from headwater to mouth.2. Identify and describe at least 3 depositional features in the glacial landscape.3. Explain how karst topography is altered through dissolution, from initial sinkholes to karst towers.4. Go to https://scripps.ucsd.edu/programs/keelingcurve/ What is the current CO2 you see recorded? Click on 800,000 years below the graph. Explain the trends in highs and lows in terms of CO2 ppm, and time. How does this compare to current levels and rates?5. Using the lecture PowerPoints (slides and speaker notes), create 15 multiple choice questions.