Definition: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
Input: An excellent solvent that holds heat well and allows hydrogen bonds, water substance has many properties critical to life.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life?