A Dead Zone Refers to

Multiple Choice

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.