Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.

[EX Q]: Fact: Bacteria causes food to be thrown out. 
Question: Bacteria causes food to be what?
[EX A]: thrown out.

[EX Q]: Fact: an animal requires food to grow and heal. 
Question: What does an animal require food for?
[EX A]: to grow and heal.

[EX Q]: Fact: Chemical changes require activation energy to get started. 
Question: What require activation energy to get started?
[EX A]:
chemical changes.