Answer:
<u>The frequency of “c” would increase.</u>
Explanation:
Remember, in the scenario, we are told the carrier survives better in an environment with severe diarrhea.
<u>Hence, it is thus logical to expect the frequency of </u><u><em>"c" </em></u><u>to increase in an environment where there was an epidemic of cholera.</u>
Explanation:
the field of identifying the specifics of a patient's disease, disorder, or injury
Explanation:

At the heart of it, the main difference is that a product business sells physical, tangible objects, whereas a service business provides value through intangible skills, expertise and time.