Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.
Answer:
The correct answer is: The most appropriate federal funding source is The federal Department of Health and Human Services (HHS)
Explanation:
The federal Department of Health and Human Services (HHS) supplies an amount to the public health system, they include territories, states, tribes, non-governmental organizations or matters.
Rivers are part of landforms such as mountains, prairies and valleys. They can be part of different land forms a the same time.
