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: Electromagnetic radiation is a form of what? Answer: energy
[A]: Electromagnetic radiation is a form of energy.

[Q]: Question: An obstacle or opening that is shorter than the wavelength causes greater diffraction of what? Answer: waves
[A]: An obstacle or opening that is shorter than the wavelength causes greater diffraction of waves.

[Q]: Question: What is the active ingredient in household bleach? Answer: chlorine
[A]:
Chlorine is the active ingredient in household bleach. It removes stains from clothes. It can also be used to disinfect countertops and other surfaces.