[" (1) Biochemical Oxygen Demand (BOD) value can be a measure of wattion caused by the organic "],[" Biochemical Oxyen Demand (BOD) value can be a measure of water polution caused by the organic "],[" matter.Which of the following statements is correct."],[" (1) Anaerobic bacteria increase the BOD value "],[" (2) Aerobic bacteria decrease the BOD value "],[" (3) Polluted water has BOD value higher than "10" ppm "],[" (4) Clean water has BOD value higher than "10" ppm "]