Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Q: Fact: skidding causes friction

A: Hitting the brakes hard leaves rubber on the road due to?
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Q: Fact: a flower is a source of nectar

A: What is a source of nectar?
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Q: Fact: milliliters mL is a unit used for measuring volume generally used for values between 1 and 1000

A:
Millilters mL is a unit generally used for values between 1 and 1000 to measure?
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