Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

[EX Q]: Question: What state of hydrogen can be predicted based on the atoms to which it is bonded? Answer: oxidation
[EX A]: The oxidation state of hydrogen can also be predicted based on the atoms to which it is bonded. As with other pure elements, hydrogen has an oxidation state of zero in H 2 .

[EX Q]: Question: What type of earthquake has a shallow focus because the plates meet near the surface? Answer: transform fault
[EX A]: Transform fault earthquakes have shallow focus because the plates meet near the surface.

[EX Q]: Question: A measure of how close a series of measurements are to one another is what? Answer: precision
[EX A]:
precision: A measure of how close a series of measurements are to one another. Precise measurements are highly reproducible, even if the measurements are not near the correct value.