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:
The solidarity movement in Poland spoke out against communism, won, and established the first non-committal government in eastern Europe. The rest of the countries soon followed.
The Wagner Act gave labor unions government support. It created a system to arbitrate disputes between unions and employers
The Missouri Compromise was an effort by Congress to defuse the sectional and political rivalries triggered by the request of Missouri late in 1819 for admission as a state in which slavery would be permitted. At the time, the United States contained twenty-two states, evenly divided between slave and free. i hope that helps you :)
