Which of the following is a characteristic of a marine dead zone?
A)Undersea volcanic activity
B)Low nitrogen and phosphorus levels
C)Abnormally salty or silty waters
D)A low concentration of oxygen

Question

Quizplus · Accepted Answer

A marine dead zone is an area in the ocean where there is a low concentration of oxygen, leading to a lack of marine life. This occurs due to an excess of nutrients in the water, which causes an overgrowth of algae. When the algae die and decompose, the process consumes oxygen, leading to hypoxia (low oxygen levels) in the ecosystem.

Which of the Following Is a Characteristic of a Marine