How is the Nile important to North Africa?

a. The Nile provides water for agriculture in Egypt.

c. The Nile is an important transportation route in Morocco.

b. The Nile is the most heavily settled area in Libya.

d. None of the above

The Nile is important to North Africa because the Nile provides water for agriculture in Egypt. The correct option among all the options that are given in the question is the first option or option "a". Without the presence of this river, the North African countries would have found it hard to cultivate any kind of crops.