The bloodworm is an organism found in water that is heavily polluted. The diagram illustrates the point at which raw sewage enters a river. In which place would there be the smallest number of bloodworms?
Biology 0610 · IGCSE · Pollution
The bloodworm is an organism found in water that is heavily polluted. The diagram illustrates the point at which raw sewage enters a river. In which place would there be the smallest number of bloodworms?