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: Force being exerted on a soccer ball compresses it. 
Question: Force being exerted on a soccer ball does what?
compresses it.

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

Fact: Population size influences the chances of a species living. 
Question: What does population size influence on a species?

their chance of living.