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.

Example Input: Question: Power in electricity is the voltage multiplied by what? Answer: the current
Example Output: ; Power in electricity is the voltage multiplied by the current.

Example Input: Question: In a hydrogen replacement reaction, the hydrogen in the acid is replaced by what? Answer: an active metal
Example Output: In a hydrogen replacement reaction, the hydrogen in the acid is replaced by an active metal.

Example Input: Question: Ionic bonds between two atoms require one metal and one what? Answer: nonmetal
Example Output:
Ionic bonds tend to form between atoms for which the electronegativity differences are 2.0 and above. In general, ionic bonds between two atoms require one metal and one nonmetal.