Encyclopedic entry. Dead zones are low-oxygen, or hypoxic, areas in the world’s oceans and lakes. Because most organisms need oxygen to live, few organisms can survive in hypoxic conditions.
I can tell you what topic outline mean...
A topic outline lists words or phrases. A sentences. A topic outline arranges your ideas hierarchically (show which are main and which are sub-points), in the sequence you want, and shows what you will talk about.
Hope this Help!:)
Lol he lives in the United States
1.hame tree se oxygen milta hai
2.tress k baja se forest hara hotha hai
3. tress hame lakdi deta hai
