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

[EX Q]: To determine the atomic weight of an element, you should add up protons and neutrons.
[EX A]: How do you determine the atomic weight of an element?

[EX Q]: Circannual behavioral rhythms are linked to the yearly cycle of seasons.
[EX A]: What type of behavioral rhythms are linked to the yearly cycle of seasons?

[EX Q]: The hair cells sense(s) the movement of liquid in ear canals.
[EX A]:
What senses the movement of liquid in ear canals?