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

SOLUTION: What is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule?

PROBLEM: The pressure of a sample of gas is measured with an open-end manometer.

SOLUTION: The pressure of a sample of gas is measured with an open-end what?

PROBLEM: In humans, a zygote has 46 chromosomes.

SOLUTION:
In humans, a zygote has how many chromosomes?