instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
The mesopause is at the top of the mesosphere.
answer:
What is at the top of the mesosphere?

question:
Cell -> tissue -> organ -> organ system sequence represents the correct levels of organization for multicellular organisms.
answer:
Which sequence represents the correct levels of organization for multicellular organisms?

question:
They can exist in the form of atoms or molecules of the following is not a description of compounds.
answer:
Which of the following is NOT a description of compounds?