instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Seismologists originally measured the intensity of an earthquake with the mercalli scale.
answer:
How did seismologists originally measure the intensity of an earthquake?


question:
Does water get colder or warmer the deeper you go?
answer:
Does water get colder or warmer the deeper you go?


question:
Once a plant cell becomes specialized, divide can they no longer do.
answer:

Once a plant cell becomes specialized, what can they no longer do?