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

Q: When the phosphorus element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air

A: When what element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air?
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Q: Cell -> tissue -> organ -> organ system sequence represents the correct levels of organization for multicellular organisms.

A: Which sequence represents the correct levels of organization for multicellular organisms?
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Q: Mineral crystals are formed when hot lava cools.

A:
What is formed when hot lava cools?
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