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: 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.

[Q]: Question: What are the highest clouds in the atmosphere? Answer: noctilucent clouds
[A]: Noctilucent clouds are the highest clouds in the atmosphere.

[Q]: Question: Applying a pressure greater than the osmotic pressure of a solution will do what? Answer: reverse osmosis
[A]:
Figure 11.26 Applying a pressure greater than the osmotic pressure of a solution will reverse osmosis. Solvent molecules from the solution are pushed into the pure solvent.