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: Flowers detect light and darkness. 
Question: What grows after detecting light?
[A]: Flowers.


[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: when iron rusts , iron becomes orange on the surface. 
Question: What happens on the surface when iron rusts?
[A]:
it becomes orange.