Nigeria is experiencing widespread water pollution in the Niger River Delta region. What is the primary cause of this problem?
Where is Serengeti National Park located?
Which of these statements best explains food production in Africa?
Analyze the graph below and answer the question that follows. Which of the following best completes the cause and effect graph above?

Which of the following is an example of how people modify the environment in Africa? i. cutting down trees in order to plant crops or build homes ii. building a dam on a river iii. allowing herd animals to graze on native grasses
Why is it difficult to stop the processes of slash and burn farming, overfarming, and overgrazing in Africa?
Which of the following is a negative effect of the Aswan High Dam?
What benefits did Egypt receive as a result of the construction of the Aswan High Dam?
What problems did the construction of the Aswan High Dam create for the people of Egypt and their environment?
What is desertification, and what causes it?
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