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

Input: Consider Input: Air quality is a measure of pollutants in the air.

Output: Air quality is a measure of what in the air?

Input: Consider Input: Constant random motion trait of particles causes even cold objects to have some thermal energy.

Output: Which trait of particles causes even cold objects to have some thermal energy?

Input: Consider Input: Fracking is another term for hydraulic fracturing.
Output: What is another term for hydraulic fracturing?