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

Ex Input:
The ability of matter to combine chemically with other substances is known as reactivity.

Ex Output:
The ability of matter to combine chemically with other substances is known as?


Ex Input:
Respiratory acidosis is considered to be problematic because excess co2 in blood.

Ex Output:
Why is respiratory acidosis considered to be problematic?


Ex Input:
You can use night goggles to see infrared light.

Ex Output:

What piece of technology can you use to see infrared light?