Yes they are the power goes from one to another and if one goes off another will go off too
Answer:
2N
Explanation:
subtract rthe two forces to see which is greater
4-2=2
Alveoli are tiny balloon shaped structures and are the smallest passageway in the respiratory system. The alveoli are only one cell thick, allowing the relatively easy passage of oxygen and carbon dioxide (CO2) between the alveoli and blood vessels called capillaries.
A. molecules are CONSTANTLY moving.