1) Which river is the longest in the world?
2) What is the second longest river in the world?
3) What river passes through London?
4) Which river forms the largest estuary in the world?
5) Which river is known as the 'Father of Rivers'?
6) What is the longest river in Africa?
7) What is the official name of the river that flows through Paris?
8) Which is the longest river in the world?
9) To which sea does the River Thames flow?
10) In which country is the source of the River Nile?