Question

define utrofiqation (water resources)

Answer 1

Eutrophication is the increase of vegetation in a particular area of water, often caused by the runoff of nutrients. ... The uncontrolled growth of algae and its effects lead to a condition in lakes and streams called eutrophication

I have copied this extract from the internet.
Hope it helps you.

Answer 2

It is eutrophication I think....

Definition of eutrophication. : the process by which a body of water becomes enriched in dissolved nutrients (such as phosphates) that stimulate the growth of aquatic plant life usually resulting in the depletion of dissolved oxygen..

If it was helpful please don't forget to mark it as brainliest