What two things do all science fiction stories have? A. Some real science and some real history B. Scientific experiments and theories C. Some real science and some exaggerated science D. Scientific facts and fantasy characters

C. Some real science and some exaggerated science

Explanation:

Science fiction involves a great deal of creativity. Fiction contains imagined elements that actually do not exist in the real world.

Science fiction must contain some elements of real scientific facts. This is the basis upon which the work is classified as a science fiction.

Also, being a fiction, it must contain some elements of fantasy or exaggerated science. These are not real science but mere imagination of the author.

it will show up when more than one person gives an answer

answer: "the beating heart symbolizes the narrator's conscience, or his sense of guilt and wrongdoing" so its b

explanation:

"to look at him, or hear him describe it, he had no guilt. however, poe decided to symbolize this man's subconscious guilt through the heartbeat."