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

[EX Q]: Ultrasound, a diagnostic technology, uses high-frequency vibrations transmitted into any tissue in contact with the transducer.
[EX A]: What diagnostic technology uses high-frequency vibrations transmitted into any tissue in contact with the transducer?

[EX Q]: Seed -> young plant -> adult plant sequence shows the order of stages in a plant’s life cycle.
[EX A]: Which sequence shows the order of stages in a plant’s life cycle?

[EX Q]: The sun mostly made up of the element hydrogen.
[EX A]:
What element is the sun mostly made up of?