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A statistical measurement of the average time a
person is expected to live is a life expectancy and it depends on many factors.
<span>These days we see some improvement in life
expectancy, this is because now medical health care has been improved. Death
rates from infectious diseases have fallen and life expectancy his improved and
the second thing is a healthy life style is very important for the improvement of life expectancy.</span>
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Answer:
A theory explains how to make public relations most effective for organizations and society. Theories predict the way things work or happen. They provide an understanding of the relationship between actions and events.
