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.

Let me give you an example: Question: What term refers to a list of the elements that will replace the ones below them in single-replacement reactions? Answer: activity series
The answer to this example can be: A list called the activity series does the same thing the periodic table does for halogens: it lists the elements that will replace elements below them in single-replacement reactions.
Here is why: This is a valid supporting statement since it connects both the answers and question to generate the supporting fact

OK. solve this:
Question: What provides building materials for the body? Answer: food
Answer:
Food provides building materials for the body. The body needs building materials for growth and repair.