TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The sum of the masses of the atoms in the formula is referred to as molecular mass.

SOLUTION: The sum of the masses of the atoms in the formula is referred to as what?

PROBLEM: Natural resource type of resource is limited in supply and cannot be replaced except over millions of years.

SOLUTION: What type of resource is limited in supply and cannot be replaced except over millions of years?

PROBLEM: Stimulation of triglyceride breakdown is the first direct action of growth hormone.

SOLUTION:
What is the first direct action of growth hormone?