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3 votes
Which process helps gas exchange to occur?

a transfusion
b condensation
c evaporation
d diffusion

2 Answers

5 votes
The answer is a because I think so
User Tasos
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0 votes

Answer:

D. Diffusion

Step-by-step explanation:

"...oxygen diffuses from alveolar sacs to blood in capillaries CPR, or cardiopulmonary resuscitation, is a first-aid technique to help save lives."

User Brigid
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