Which of the following is a function of public health policy?
a. to increase the transmission of disease
b. to control outbreaks of diseases
c. to educate the public to make risky health decisions
d. to provide vaccinations against diseases

B is the best answer since public health policies reduce probabilities of diseases. It is not an obligation to provide vaccination since these are costly but these will be made readily available as much as needed and can be provided.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.   

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.