FIFTEEN LARGEST RIVER OF THE WORLD.

 The water that comes out of a mountain or lake

  Flows towards and goes into the seas

  It is called river.  The fifteen largest rivers in the world and their lengths are as follows.  Length is in kilometers.

 Nile 6669. Amazon 6436. Mississippi Missouri 5969.  Lena-4312. Mackenzie Pace-4240. Mackenzie-4183. Niger 4183. Parana-4023.  Volga - 3685 km.

  (Benefits of the river.) We know that most of the earth consists of rivers and seas, which are very useful for human life.  They are the source of food. Besides, most of the world's trade is done through them. (Pervez Asif Qureshi)