Protease is an enzyme. It is a biological catalyst.
Ans: a
Bdhahhabavrgrebbeggg)bzvzg
Answer: A fish that lives in salt water will have somewhat salty water inside itself. Put it in the freshwater, and the freshwater will, through osmosis, enter the fish, causing its cells to swell, and the fish will die.
Explanation: Mark me brainlies plzzzzzzzzzzzzzz