<p>Can you guess which is the world’s longest river? According to most scientists, it is the Nile, which passes through several African countries, and is 6,695 kilometers long. Some scientists have recently argued that the Amazon in South America is in fact longer. It all depends on where you start your measurements! A river is a naturally-formed body of moving water that flows overland. Rivers always flow down hill. They usually begin in mountains or hills and end where they meet the ocean, a lake, a desert basin or another river. There are thousands of rivers throughout the world, but not all are “great”. So, what makes a river great?</p> 2009-10-22T23:06:53-04:00 great-rivers 10054512 Geography & Nature JNR 2009-10-22T23:06:53-04:00 2009-11-02T03:52:23-05:00 iMinds Pty Ltd jnr, junior Can you guess which is the world’s longest river? According to most scientists, it is the Nile, which passes through several African countries, and is 6,695 kilometers long. Some scientists have recently argued that the Amazon in South America is in fact longer. It all depends on where you start your measurements! A river is a naturally-formed body of moving water that flows overland. Rivers always flow down hill. They usually begin in mountains or hills and end where they meet the ocean, a lake, a desert basin or another river. There are thousands of rivers throughout the world, but not all are “great”. So, what makes a river great? 2009-06-30T02:40:33-04:00 manual 0 25954412 deny 1 5:30 Minutes 1 1.69 10054512 true AUWD30900119 true 2009-11-02T03:52:23-05:00 2009-10-22T23:07:57-04:00 20303352 1 10054512 2009-10-22T23:07:57-04:00 http://cdn.shopify.com/s/files/1/0032/9902/products/Rivers_of_the_World.jpg?1268276018 Length