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