A dead zone refers to
A)terrestrial areas in which excessive nitrogen fertilizer has essentially burned the soil,preventing plants and microorganisms from living there.
B)oligotrophic areas in water bodies that cannot support life due to lack of nutrients.
C)an ecosystem that was cleared of all vegetation for slash and burn agriculture.
D)hypoxic (low oxygen)areas in water bodies that limit marine and aquatic life.
E)an ecosystem in which overhunting or overfishing has resulted in the removal of keystone species and,ultimately,faunal collapse.

Question

Quizplus · Accepted Answer

Dead zones refer to water bodies with low oxygen levels, also known as hypoxic conditions, that cannot support marine life. This is usually caused by excessive nutrient pollution, such as nitrogen and phosphorus from fertilizer runoff, which leads to algal blooms and the subsequent depletion of oxygen as the algae decompose.

A Dead Zone Refers to