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 height of the wave is used to determine the magnitude of an earthquake.
[A]: What measurement of the wave is used to determine the magnitude of an earthquake?


[Q]: Moving over a continent of the following factors would most likely cause a hurricane to decrease in strength.
[A]:
Which of the following factors would most likely cause a hurricane to decrease in strength?