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

Input: Consider Input: Fractional crystallization is the separation of compounds on the basis of their solubilities in a given solvent.

Output: What is the separation of compounds on the basis of their solubilities in a given solvent?


Input: Consider Input: Electron transport is the final stage of aerobic respiration, when energy from the krebs cycle is transferred to atp.

Output: What is the final stage of aerobic respiration, when energy from the krebs cycle is transferred to atp?


Input: Consider Input: Lab safety symbols should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass.


Output: What should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass?