The last phrase. the first refers to calcium and vitamin d
the second refers to proteins
the third refers to proteins as well
the last is carbohydrates
Answer:
D. Middle Class
Explanation:
because most people are middle class so it's the "norm"
<span>So
that the transfer of oxygen and CO2 can take place. Your body
and your blood produce CO2 and other gases during normal
function. These gases need to be released and we release through breathing. If we didnt breathe we would explode, we would also die. Hope this helps. </span>
Answer: B
Explanation: Making and enfourcing laws
Health care officials such as doctors, nurses, and dentists
Government health resources such as the centers for disease control and prevention (cdc), The National Institutes of Health (NIH), and the World Health Orginization (WHO).
