Assignment -

Short Essays Questions - Answer all essays

1. Sketch a shoreline on which a jetty has been placed to restrict littoral drift; indicate where sand erosion and deposition will subsequently occur and how this will reshape the shoreline.

2. What is an ice age? Choose any two proposed causes of past ice ages and evaluate the plausibility of each. (Is the effect on global climate likely to have been large enough? Long enough? Is there any geologic evidence to support the proposal?)

3. How are ice cores used to investigate relationships between the atmospheric greenhouse gases and temperature? What is the "proxy" for temperature?

4. In what ways may urbanization affect groundwater recharge?

5. The lateritic soil of the tropical jungle is poor soil for cultivation. Explain!

6. What is fracking? What are the pros and cons of fracking?