In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

[Q]: Question: Which characteristic is shared by all cells? Answer: They need energy.
[A]: All cells share the characteristic that they need energy.


[Q]: Question: Ice cubes are an example of which form of water? Answer: Solid
[A]: Ice cubes are an example of the solid form of water.


[Q]: Question: The sum of the masses of the atoms in the formula is referred to as what? Answer: molecular mass
[A]:
The sum of the masses of the atoms in the formula is referred to as molecular mass.