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

(1 point)
Responses

to indicate a positive opinion of recycling
to indicate a positive opinion of recycling

to highlight a problem with a current system
to highlight a problem with a current system

to criticize the inventor’s waste of time
to criticize the inventor’s waste of time

to show a negative opinion of centrifuges

1 answer

The purpose the author includes the sentence about using the centrifuge as a doorstop is to highlight a problem with a current system.