Given a statement, generate a question such that the answer is contained in that statement.

[Q]: In a human, the nerve pathways link the brain with motor neurons.
[A]: What do nerve pathways link the brain with?


[Q]: A wheeled automobile requires smooth surfaces.
[A]: What does a wheeled automobile require?


[Q]: comparators, flats, and microscopes could be used for observing materials up close
[A]:
What could be used for comparators, flats, and microscopes?