Letitia believes the United States is one of the healthiest countries in the world. Marci disagrees. Who is right and why?

A. Marco because the United States isn't one of the healthiest 30 nations ranked by WHO.
B. Marco because the United States is only ranked as the 15th healthiest nation by WHO
C. Letitia because the United States provides free health care to all its citizens
D. Letitia because the United States has the highest life expectancy in the world

B. Marci because the United States is only ranked as the 15th healthiest nation by WHO. The ranking by the World Health Organization (WHO) is based on a variety of factors such as life expectancy, quality of healthcare, and overall health outcomes. The United States being ranked 15th indicates that there are other countries in the world that have better overall health outcomes and systems than the United States.