Much of the Length of the Nile River, in Northern

Multiple Choice

Much of the length of the Nile River, in Northern Africa, flows through desert, mountains, and plains.When a river flows through a flat desert, such as most of the Sahara, what aspect of its flow would most likely change, and how would it change?

A) The speed of river flow will increase.
B) The speed of river flow will decrease.
C) The volume of river flow will increase.
D) The volume of river flow will decrease.
E) Both speed and volume of river flow will increase.