Maribel has a beautiful saltwater aquarium at her house. One day, a new and inexperienced salesperson at the pet store sold her a goldfish from the freshwater tank. When Maribel placed the fish in her aquarium, it was not able to survive. What type of environment would the saltwater solution be (hypertonic, isotonic, or hypotonic) to the cell of the fish? How did you say so? Why do you think freshwater fish will not survive if placed in saltwater?

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