Use the passage to answer the question.

Question

For what purpose does the author include the sentence about using the centrifuge as a doorstop?

To indicate a positive opinion of recycling
To highlight a problem with a current system
To criticize the inventor’s waste of time
To show a negative opinion of centrifuges

Answer 1

The purpose of including the sentence about using the centrifuge as a doorstop is likely to highlight a problem with a current system. This implies that the centrifuge is not being used for its intended purpose, suggesting inefficiencies or issues within the current system.