Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Adding the number of protons plus the number of neutrons in an atom decides its approximate mass; atomic number is another word for this value.
[EX A]: Adding the number of protons plus the number of neutrons in an atom, decides it's approximate mass, what is another word for this value?

[EX Q]: Hookworms infest the intestines.
[EX A]: What part of the body do hookworms infest?

[EX Q]: As temperature increases, volume increases.
[EX A]:
What happens to volume as the temperature increases?