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.
--------
Question: Fact: The change of the Earth's distance from the sun causes the amount of daylight to decrease. 
Question: The change of the Earth's distance from the sun causes the amount of what to decrease?

Answer: daylight.


Question: Fact: one-celled animals make humans sick when they become parasites. 
Question: what can make humans sick when they become parasites?

Answer: one-celled animals.


Question: Fact: Layers of fat help Arctic animals survive. 
Question: Arctic animals are assisted in survival by what?

Answer:
layers of fat.