Which of the following is an example of point-source pollution?
O A. Acid from abandoned mines
O B. Salt from roads
O C. Water from a sewage treatment
plant
O D. Fertilizer from agricultural runoff

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .