The study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.
Answer: 180 pound runner.
Explanation:
Aging. OR hearing loss.
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D). If the crosswalks were painted it would it make it more visible to cars. It would also be more visible to pedestrians so they don't Jay walk and get hit.
The answer is c it is obvious !!!!
Explanation
