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Your answers are correct or at least from the information I know and read super sorry if wrong but everything checks out!
It would eventually go extinct. If you put a shark in a fresh water pond and it can't adapt to fresh water it will die.
sodium-potassium pump. n. The enzyme-based mechanism that maintains correct cellular concentrations of sodium and potassium ions by removing excess ions from inside a cell and replacing them with ions from outside the cell.
An increase in technology will result in An increase in supply