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

[EX Q]: Antifreeze lowers it the freezing temperature of the water in car radiators.
[EX A]: What does antifreeze do to the freezing temperature of the water in car radiators?

[EX Q]: Starches are complex carbohydrates that are the polymers of glucose.
[EX A]: What complex carbohydrates are the polymers of glucose?

[EX Q]: Gases helps sound travel in waves.
[EX A]:
What helps sound travel in waves?