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

[EX Q]: Cranium (skull) is the term for the skeletal structure of the head that supports the face and protects the brain.
[EX A]: What is the term for the skeletal structure of the head that supports the face and protects the brain?

[EX Q]: Very low density is the concentration of gas molecules in the mesosphere.
[EX A]: What is the concentration of gas molecules in the mesosphere?

[EX Q]: With the exception of water, proteins accounts for more mass than any other component of living organisms.
[EX A]:
With the exception of water, what accounts for more mass than any other component of living organisms?