() Match the graphs below with the following descriptions by indicating the graph corresponding to each description in the answer blank to the left of the description. (Note that because this is a matching question, it does not show which parts are incorrect.) 1. The concentration of tree pollen in the air over the course of a year. A. D. 2. The mass of Carbon-14 in a historical specimin. 3. The cost of a product in an economy suffering from a constant inflation rate that persists over a very long time. 4. The distance from the finish line of a runner waiting for the start of a race and then running at a constant speed. B. E. 5. The number of bacteria on a nutrient petri dish after a group of bacteria is initially introduced. C.