Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Ultrasound, a diagnostic technology, uses high-frequency vibrations transmitted into any tissue in contact with the transducer.

Answer: What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer?


Question: Correlation is different from causation term that refers to the factor that is producing the effect.

Answer: Correlation is different from what term that refers to the factor that is producing the effect?


Question: Continents are unable to be pushed down into the mantle by plate boundaries because of buoyancy.

Answer:
Why are continents unable to be pushed down into the mantle by plate boundaries?