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: What do water, aluminum, redwood trees, and valley quail all have in common? Answer: They are all made of atoms.

A: They are all made of atoms do water, aluminum, redwood trees, and valley quail all have in common.
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Q: Question: The distinctive appearance of what tissue is due to polysaccharides called chondroitin sulfates? Answer: cartilage

A: The distinctive appearance of cartilage tissue is due to polysaccharides called chondroitin sulfates.
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Q: Question: Human blood has a buffering system to minimize extreme changes in what? Answer: ph

A:
Human blood has a buffering system to minimize extreme changes in ph.
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