Oil floating on the surface to react with oxygen. Make the oxygen in the water decreases, and the censorship of the plankton light synthetic plants, algae, and plants are state changes of bacterial digestion in which all changes to an effect on aquatic organisms that live in the area (the fish. The animals in front of clay birds, corals, etc.) as well as water. An accumulation of toxins in the food chain, from the manufacturer (plant plankton), consumers (plankton, animals/fish) until the final consumers, that is, human beings.