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 Input:
Question: What causes blue litmus to turn red? Answer: acid

Ex Output:
Acids change the color of certain acid-base indicators. Two common indicators are litmus and phenolphthalein. Blue litmus turns red in the presence of an acid, while phenolphthalein turns colorless.

Ex Input:
Question: What hypothesis states that the biosphere is its own living organism Answer: the gaia hypothesis

Ex Output:
The Gaia hypothesis states that the biosphere is its own living organism.

Ex Input:
Question: Inserting copies of normal genes into a patient with defective genes is known as? Answer: gene therapy

Ex Output:
treat genetic disorders. For example, copies of a normal gene might be inserted into a patient with a defective gene. This is called gene therapy . Ideally, it can cure a genetic disorder.