This question will help you bring together the concepts of pH and pE. Draw a schematic diagram of a pond. Label the major physical strata and the major chemical reactions involving carbon dioxide and oxygen. Be sure to include the interfacial interaction with soil, air, and the biosphere. Next, write a description of your schematic diagram so that it may be understood by a scientist. In this narrative, write down the major chemical equations and briefly describe what their importance.
Scientists try to make objective decisions based on fact.
However, the emotional aspects cannot be ignored. In this question, you will attempt to strip the emotional response to reveal the scientific facts. The more popular the better. If your first choice cannot be interpreted as described below, choose another. Take note of that which is scientific fact, that which is an emotional statement, and that which is subjective or circumstantial.