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.

[Q]: Question: A flow of one coulomb per second is called one ampere, which is a measure of what? Answer: electric current
[A]: The electric current is measured in coulombs per second. A flow of one coulomb per second is called one ampere, A, of current.

[Q]: Question: The term "vapor" refers to the gas phase when it exists at a temperature below what? Answer: boiling temperature
[A]: for low temperatures, where the phase can change from a gas to a liquid. The term "vapor" refers to the gas phase when it exists at a temperature below the boiling temperature.

[Q]: Question: Which electromagnetic waves are the most energetic of all electromagnetic waves? Answer: gamma rays
[A]:
Gamma rays are electromagnetic waves that carry photons of energy called gamma particles. They are the most energetic of all electromagnetic waves.