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Enviromental problems.
Now our country is very much polluted. These envirometal problems took up most of the land.More and more people suffer from air and wate pollution. Nature suffers from radioactivity.Ad it harms people and animals.The reason of all this: many cars on the street and factory wasty.Millions of cut down trees also affected the environments. Rivers and lakes  are very polluted.I hting if everybody starts caring about the planet we live on , many enviromental problems  can be solved.The most important things learn to clean up after yourself and take care of nature.

Columbus was the first of the authentically known travelers to cross the Atlantic Ocean in the subtropical and tropical belt of the northern hemisphere and the first Europeans to walk in the Caribbean Sea and in the Sargasso Sea [7]. He discovered and initiated the exploration of South and Central America, including their continental parts and the nearby archipelagos of Greater Antilles (Cuba, Haiti, Jamaica and Puerto Rico), the Lesser Antilles (from Dominica to the Virgin Islands, and Trinidad) and the Bahamas.