What are the three ways that the narrator`s captors attempt to kill him? from a book called "The Pit and the Pendulum" by Edgar Allan Poe

the sentences are -

it was all just as it was in the law courts. the doctor put on just the same air towards him as he himself put on towards an accused person.

a constant variable, normally called a controlled variable, is the term for a variable that remains constant throughout an experiment, though other variables may change. an example is the water pressure for a faucet when measuring the amount of water released when the faucet is opened to various increments.