FOR QUESTIONS 32 – 37 PLEASE SKIP ONE QUESTION OF YOUR CHOOS…
FOR QUESTIONS 32 – 37 PLEASE SKIP ONE QUESTION OF YOUR CHOOSING. WRITE “SKIP” FOR YOUR ANSWER. Chemicals and Pollutants A. Write one common source for each of the following pollutants: (1) pharmaceuticals (2) suspended solids (3) acid precipitation (4) petroleum products B. Some pollutants such as mercury and PCBs often increase in concentration as you move up the food chain. What is this process called? What property is important for determining whether or not it will occur? C. What are two ways that high suspended solids can affect freshwater organisms?