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: Genetic traits are passed down to offspring through chromosomes. 
Question: How are genetic traits passed down to offspring?

Answer: Through chromosomes.


Question: Fact: seismographs measure strength. 
Question: What does a seismometer measure?

Answer: waves.


Question: Fact: unequal heating of earth's surface by the sun is a key factor in determining global weather patterns. 
Question: What is a key factor determining global weather patterns?

Answer:
Unequal heating of the earth.