What changes in agriculture have increased the potential for water pollution

small chicken farms turned into factories because it was cheaper to  

maintain and it also made it cheaper for people to buy eggs. However  

this produced a huge problem of what to do with the chicken manure  

and this is also a problem amongst other types of livestock as well as well as factories having big oil spills hope this helps sorry didnt know what you wanted for a answer

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs