Body’s of water i think
Dead zones occur because of a process called eutrophication, which happens when a body of water gets too many nutrients, such as phosphorus and nitrogen. ... Human activities are the main cause of these excess nutrients being washed into the ocean.
virus being a none living organism outside a living cell makes it none living. to me, at this age, to make a living virus to go back to not living, is to subject the infected cells under high treatment or damage the cell totally.
bacteria can always be cured with antibiotics
Can I please have some more details, thanks