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 part of a mature plant cell is responsible for storing substances like water, enzymes, and salts? Answer: central vacuole

A: Central vacuole part of a mature plant cell is responsible for storing substances like water, enzymes, and salts.
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Q: Question: The concentration of hydrogen ions in a solution is called? Answer: acidity

A: The concentration of hydrogen ions in a solution is called acidity.
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Q: Question: How many people die from air pollution each year? Answer: 22 million

A:
22 million many people die from air pollution each year.
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