Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Living organisms are made up of biochemical type of carbon-based compounds.

A: Living organisms are made up of what type of carbon-based compounds?
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Q: Certain air pollutants form acid liquid when dissolved in water droplets in the air.

A: Certain air pollutants form which liquid when dissolved in water droplets in the air?
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Q: External pressure affects the boiling point of water.

A:
What affects the boiling point of water?
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