Dumping of large quantities of biodegradable pollutants in a stream leads to the undesirable growth of microorganisms and plankton. This phenomenon is called ___.

Dumping of large quantities of biodegradable pollutants in a stream le

1.	Dumping of large quantities of biodegradable pollutants in a stream leads to the undesirable growth of microorganisms and plankton. This phenomenon is called ___.
Answer» Dumping of large quantities of biodegradable pollutants in a stream leads to the undesirable growth of microorganisms and plankton. This phenomenon is called ___.