Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Water plus other substances makes a(n) solution.

Answer: Water plus other substances makes what?


Question: All life is built around the element carbon.

Answer: What element is all life built around?


Question: The sum of the masses of the atoms in the formula is referred to as molecular mass.

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