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

Q: Mechanical waves term describes waves that travel through matter.

A: What term describes waves that travel through matter?
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Q: By using fructose can you prevent your ice cream from getting a sandy texture.

A: How can you prevent your ice cream from getting a sandy texture?
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Q: Nuclear fusion, which results because of great pressure at the center of a star, causes stars to shine.

A:
What process, which results because of great pressure at the center of a star, causes stars to shine?
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