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.

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


[Q]: Fact: abalone  are invertebrates such as the common snail. 
Question: What are invertebrates such as the common snail?
[A]: abalone.


[Q]: Fact: HCl changes the color of litmus paper from blue to red. 
Question: what changes the color of litmus paper from blue to red?
[A]:
HCl.