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: 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?
daylight.

Fact: If a planet becomes too hot, then it cannot maintain a balanced ecosystem. 
Question: If a planet becomes too hot, then it cannot maintain what?
balanced ecosystem.

Fact: igneous rocks are formed when magma solidifies. 
Question: gneous rocks are formed when magma?

solidifies.