The Amazon is one of the largest rivers of the world and the chief river of the South America. It is 4,000 miles long, about 6,400 km. It is the second largest river in the world's and the flow is the world largest by far. It is also one of the deepest rivers. The Amazon River begins at Huarco. The Amazon system is joined to the Orinoco by the Casiquaire River in Venezeula. The Amazon Basin is almost 40% of the total area of South America. The Amazon area is a home to many of the known animals and many unknown animals. The Amazon holds a great biodiversity. The Amazon spreads over 2,030,000 square mile. Over 25,000 species of plants and more butterflies can be found here than anywhere else on the planet. There are also 170 Indian cultural groups living in the Amazon, remnants of the 7 million who flourished there once, but who have been reduced to no more than 200,000 today. Tropical is considered to be the rivers climate and 87 degrees farenheit being its average temperature. The average rainfall across the whole Amazon Basin is approximately 2300mm annually.As known in some areas of the northwest portion of the Amazon Basin, yearly rainfall can exceed 6000mm.
             The Amazon Basin has not always been an area of lush tropical rainforest. During several times in its history, the basin has been the location of huge lakes and shallow seas. Salt deposits up to 600 meters thick(nearly 2000 feet) have also been found in some locations indicating that at one time the basin may have been desert-like, drying up the shallow seas and creating the salt deposits.The Amazon rainforest has a great variety of plant life. Scientists have found it to be up to 3,000 species of plants in one sq. mile. Amazons' Climate
             The Amazon's climate is heaviliy influenced by where the Amazon is situated in the tropics. This gives it a warm temperature and plenty of rain. The major contribution the climate makes to the Amazon
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