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.

Fact: Looseness of soil increases the odds of healthy roots. 
Question: Healthy roots can be due to what aspect of soil?
looseness.

Fact: protective plates over the ends of the fingers become more brittle with age. 
Question: What do fingers have over the ends that become more brittle with age?
protective plates.

Fact: food is used to repair cells by the human body. 
Question: what is used to repair cells in the human body?

food.