Abody of water in which eutrophication has occurred?

The water is comprised of excessive minerals and absence of dissolved oxygen

Explanation:

Eutrophication refers to the condition when a water body is comprised of an excessive amount of essential nutrients like phosphorus and nitrogen, and it is mainly caused by the surface runoff from the industries, houses and agricultural fields. This results in the growth and increase of the algae population and thereby depleting the concentration of dissolved oxygen in the water body. This leads to the reduction of aquatic lives and affects the ecosystem.

a characteristic is a deep cut in the earth or left over rock aka till.