Q.1.
In the 1860s Dr. Livingston was almost lost in Africa searching for the source of the River Nile. Why are river sources so difficult to find?
Q.2.
In the Victorian era many rivers were culverted to hide the polluted waters and provide more land. What is a culvert?
Q.3.
What is a freshwater river?
Q.4.
Rivers are surrounded by their drainage basins. What is a drainage basin?
Q.5.
Tributaries and distributaries both carry water, but what is the key difference between these two types of channel and how they are defined?
Q.6.
The water cycle is also known as what?
Q.7.
In physical geography how is the watershed defined?
Q.8.
River discharge is the amount of water flowing through a river channel. How is river discharge measured?
Q.9.
Most cities in the world are located on the banks of a major river, such as London on the Thames, Paris on the Seine, and Nottingham on the Trent. Which of the following is a reason for cities to be built on the banks of a major river?
Q.10.
At its end the River Nile has numerous channels carrying water away from the main channel. What is the name given to this type of estuary?