J John New member Jul 28, 2009 #1 When organic material pollutes moving water, the point of the polluting outlet becomes low in O2 as bacteria decompose the organic material. Only species adapted to such conditions can survive. --- what do they mean by 'polluting outlet'
When organic material pollutes moving water, the point of the polluting outlet becomes low in O2 as bacteria decompose the organic material. Only species adapted to such conditions can survive. --- what do they mean by 'polluting outlet'