Discuss the role of Dissolved Oxygen (D.O.) as it relates to the health of a stream and its aquaticlife.

1. WATER POLLUTIONTo include:a. The role of Dissolved Oxygen (D.O.) as it relates to the health of a stream and its aquaticlife.b. The concept of Biological (BOD) of a wastewater, the function of a treatment facility andsome of the methods utilized at these plants.2. FOOD CHEMISTRYTo include:a. A discussion of food additives, such as artificial colors, flavors, sweeteners,preservatives, etc., their importance, pro/con.b. A description of the Delany Clause its application in the Food Drug and Cosmetic Act.