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

Q: Half-life property of carbon and other elements can be used to date fossils and rocks, among other things.

A: What property of carbon and other elements can be used to date fossils and rocks, among other things?
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Q: Environmental changes is most responsible for the extinction of most species of plants and animals that have lived on earth.

A: What process is most responsible for the extinction of most species of plants and animals that have lived on Earth?
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Q: You call the separation of ions that occurs when a solid ionic compound dissolves dissociation.

A:
What do you call the separation of ions that occurs when a solid ionic compound dissolves?
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