Answer:
Reductions in Child Mortality. ...
Vaccine-Preventable Diseases. ...
Access to Safe Water and Sanitation. ...
Malaria Prevention and Control.
Explanation:
The average life expectancy of a child born in the U.S. in 1900 was 50 years. By 2010, this number had increased 60% to 80 years.1 Biomedical, epidemiological, and behavioral research combined with public policy played a major role in this gain. Below are major public health milestones of the last 100 years
Answer:
Her sample is not representative of college students as a whole
Explanation:
Lucy just distributed the survey in three of her classes and this is not encompassing enough hence cannot be used to draw a conclusion on the population. She could have gone across different sections of students in the college and make the selection such that every part is duely represented, after which she can conduct her survey.
One major drawback of using experiments is that the outcome might not be the outcome that is desired or another one is that it has a low realism and that experiments wont find out or specify 'why' the outcome occurred
The answer is front stage behavior. This behavior is to show
behavior for 'public' consumption: amusing, suave,
dangerous, smart, smooth, intellectual, down-to-earth, and anti-intellectual.
This hinge on the audience, of course, and it is intended to create the image
of oneself look good.