In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Q: Question: The lungs of mammals are unique in having what? Answer: alveoli

A: The lungs of mammals are unique in having alveoli.
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Q: Question: Carbon atoms have six neutrons as well as how many protons? Answer: six

A: Carbon atoms have six neutrons as well as six protons.
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Q: Question: What is the molecular formula of carbon dioxide? Answer: co 2

A:
Co 2 is the molecular formula of carbon dioxide.
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