25 POINTS!! Here's the passage, not long!: Long-term Monitoring of the Hudson River by American Museum of Natural History.

QUESTION: One question that scientists have not yet answered is what caused the number of large zebra mussels to decline. How might tracking different parts of the ecosystem over a long time help scientists to answer this question?

Which best describes the suspense technique of flashback? an image, color, object, or similar is shown early in the film. it later reappears in a pivotal scene or plot point. details of the story outside of the chronological storyline are provided to the audience, often as a memory. illusions of explosions and other events are presented, often using computer-generated imagery to seem realistic. the screenwriter lets the audience know something the main character does not, usually something important to the plot.

I’ve given a lot of thought to what one of them should be, and the answer seems clear.

Which statement best describes the term symbolism?