The Great Lakes consist of five lakes in North America, on the border between the United States and Canada. Lake Erie, Lake Ontario, Lake Huron, Lake Michigan and Lake Superior make up the greatest area of freshwater in the world.
The word tsunami comes from the Japanese : tsu means harbour and nami waves. A tsunami is a series of ocean waves that can travel over hundreds of kilometres at a very high speed.
The European Union is a post – World War II project designed to secure peace in Europe.
Antarctica is the continent around the earth’s South Pole. It is covered with thick sheets of ice the whole year round.