Can I call you back? <a href=" http://www.djoasis.com/cheap-custom-research-papers/ ">who can write paper for me</a> Hypoxic (oxygen free) dead zones are a result of nutrient runoffs from agricultural or other human activities. These nutrients fuel the overgrowth of algae that sinks, decomposes and takes in maximum of the oxygen that is required to support life. Generally such dead zones are spotted in areas that are closer to the Gulf floor as the decaying algae settles at the bottom.