Dead zones are hypoxic (lowoxygen) areas in the worlds oceans and large lakes, which causes these bodies of water to fail to support the marine life living there. Historically, many of these sites were naturally occurring. However, in the 1970s, oceanographers began noting increased instances and expanses of dead zones. These occur near inhabited coastlines, where aquatic …
Download Image:
clickdownload
and right mouse click and Save image As...on new page
