From an evolutionary standpoint, can you think of reasons why some animals' eyes consist entirely of rods, other animals' eyes have only cones, and those of still Others,  such an humans,  have both cones, and rods?2. How might you use measurements of the just noticeable difference (jnd) in loudness to describe the change in the auditory environment caused by the addition of a new airline to those serving your local airport? Would you be able to explain your measurement method to a panel of concerned citizens?

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Q: d functions of h to users.

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A:

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Communication

Communication is a method of transferring information between two persons or organisms. Communication is possible using mutually understood behaviors such as signs, symbols, or language. In the year 1980, S. F. Scudder proposed communication theory. According to his ideas, all living beings on the earth communicate, but the methods of communication differ. Communication skills are now part of soft skills.