How do characters and conflicts work together

Which work would represent a change to the artistic medium of this original work?

What happens to graders who use a red pen? a.they are more accurate with thier correctionsb.they find more errorsc.they feel themselves getting angrt when they graded.they make more mistakes

The reversalists continue their labors, confident that they will one day construct an engine that generates more compression than it uses, a perpetual power source that will restore to the universe its lost vigor. which theme is best supported by the excerpt? a. scientific study requires dedication and perseverance. b. people will always look for a way to achieve immortality. c. death must always be endured alone. d. change is difficult to accept but beneficial if embraced.