Question

only one of the following rivers has a deltatic mouth. is it
a) niger river
b) senegal river
c) congo river
d) gambia river
question 12 (2 points)
crude oil is an important resource produced in these countries except:
a) libya
b) nigeria
c) tanzania
d) angola

Explanation:

• For the first question: The Niger River has a large delta at its mouth. The Senegal River has a relatively small delta - like feature but not as prominent as the Niger's. The Congo River has a deep - water channel at its mouth (a submarine canyon) rather than a typical delta. The Gambia River has a more estuarine - like mouth.
• For the second question: Libya, Nigeria, and Angola are major crude oil - producing countries in Africa. Tanzania is not a significant producer of crude oil compared to the other three.

Answer:

a) Niger River
c) Tanzania