Answer:
I think it is the first one
Hope this helps
Answer:
where are the choices????
Answer:C
Explanation:
Foreign leaders helped train and fought for the Continental Army
I think the correct answer from the choices listed above is option A. It is the alveoli that is composed of single layer <span>surrounded by a network of capillaries. These are used to allow oxygen and carbon dioxide to move from the lungs to the bloodstream.</span>
