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: reindeer adapt to the Arctic's temperatures. 
Question: What adapts to the temperatures of the Arctic?
[EX A]: reindeer.

[EX Q]: Fact: Hydrogen bonds cause H20 to expand when it freezes. 
Question: What causes H20 to expand when frozen?
[EX A]: hydrogen bonds.

[EX Q]: Fact: Uneven heating of the Earth's surface can cause extensive damage. 
Question: Uneven heating on the Earth's surface can cause what?
[EX A]:
extensive damage.