instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Resonance is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule.
answer:
What is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule?


question:
Slimy smear does the bacteria look when seen with the naked eye.
answer:
How does the bacteria look when seen with the naked eye?


question:
Estrogen causes the changes of puberty.
answer:
What causes the changes of puberty?