Answer:
Many fish have an outer covering of scales. Scales protect fish, much like a suit of armor. All fish have a slimy covering of mucus. This substance allows the fish to swim through the water with very little drag and also makes it difficult for other organism to attach to the fish.
Explanation:
i believe the answer is a :)
The answer is fur trading
B false...............................................
The Joe-1 (seemed by the United States) was first tested in 1949