A dead zone refers to
A)an ecosystem that was cleared of all vegetation for slash and burn agriculture.
B)hypoxic areas in water bodies that limit marine and aquatic life.
C)terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil,preventing plants and microorganisms from living there.
D)oligotrophic areas in water bodies that cannot support life due to lack of nutrients.

Question

Quizplus · Accepted Answer

Dead zones are areas in water bodies, such as oceans, lakes, and rivers, that have low levels of oxygen, often leading to the death of marine and aquatic life. They can be caused by excessive nutrient run-off from human activities, such as agriculture and wastewater disposal, leading to an overgrowth of algae and phytoplankton, which then die and decompose, consuming oxygen in the water.

A Dead Zone Refers to