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nikdorinn [45]
2 years ago
8

Can someone help me plz I really need it

Biology
1 answer:
telo118 [61]2 years ago
3 0

Answer:

1. GPS  The second one is sphere and the 3rd one is Bulge

Explanation:

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how do oxygen and carbon dioxide cross from the alveoli through the capillary walls and into the blood?
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