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

[Q]: Plant nutrition is the study of the chemical elements necessary for plant growth.
[A]: What is the study of the chemical elements necessary for plant growth called?


[Q]: The thalamus helps to regulate consciousness, arousal, and sleep states.
[A]: What helps to regulate consciousness, arousal, and sleep states?


[Q]: The vast majority of earthquake occurs along one of three types of plate boundaries.
[A]:
The vast majority of what phenomena occurs along one of three types of plate boundaries?