Answer:
I hardly understand the question and there is no chart/diagram provided.
Answer:
the answer is d
Explanation:
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I believe the answer to your question would be: Homeostasis.
Answer: Alveoli
Explanation: Alveoli is the air sacs in the lungs through which oxygen and carbon dioxide diffuse into and out of the blood.
Answer:
As I think the answer is C. Because the ideas about the models changed as more discoveries were made about the atom.