Question

Recently James noticed a strange smell coming from the water and noticed a large number of dead fish at the surface. He thought that a change in the environment was causing the fish to die. James asked the coast guard about the brownish red color of the water and discovered it was algae. James wondered if the alga was killing the fish. To test his idea, he collected water from the ocean area that was brownish red in color with high levels of algae, then went further north of his area and located water that did not appear to have the same algae. He also caught 12 small fish that appeared health