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

[Q]: Living organisms are made up of biochemical type of carbon-based compounds.
[A]: Living organisms are made up of what type of carbon-based compounds?


[Q]: A diet rich in calcium and vitamin d may reduce the risk of osteoporosis and related bone fractures.
[A]: A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures?


[Q]: Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
[A]:
Sound, like all waves, travels at a certain speed and has the properties of frequency and this?