Contamination of aquatic environment by Polychlorinated Biphenyls (PCBs) can originate from
A. Sewage effluent
B. Waste incinerators
C. Toxic dumps
D. Thermal power plants
E. Transport sector
Choose the most appropriate answer from the options given below:
1
A, C, E only
2
A, B, D, E only
3
B, C, D only
4
A, B, C only