Hey there
The answer is
B) people in the cities or A
Thank you
Best wishes
<em>OFFICIALLYSAVAGE2003</em>
Answer:
Hey mate...
Explanation:
This is ur answer....
<em>The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body</em><em>.</em><em>.</em><em>.</em>
Hope it helps you,
Mark me as brainliest....
Follow me!
Major factor that helps Washington’s population increase after 1883 dollar bills
States could not tax the Federal government, but the Federal government could tax the states.