Pollution occurs in different forms; air, water, soil, radioactive, noise, heat/ thermal and light. Every form of pollution has two sources of occurrence; the point and the non-point sources. The point sources are easy to identify, monitor and control, whereas the non-point sources are hard to control.
Communication is a means of passing an information signal from source (sender) to a recipient (receiver) in such a way that the message is understood. communication is the act of interaction,sharing ideas and information between two peoples.
7 Major Elements of Communication Process. Seven major elements of communication process are: (1) sender (2) ideas (3) encoding (4) communication channel (5) receiver (6) decoding and (7) feedback. Communication may be defined as a process concerning exchange of facts or ideas between persons holding different positions in an organisation to achieve mutual harmony.