Which of these MOST threatens the waters of the Niger River?
Industrial Pollution
Nuclear Pollution
Overcrowding
Erosion
2.
Which of these would be seen as the LEAST likely threat to Africa’s water supply?
Erosion
Deforestation
Nuclear Waste
Industrial Waste
3.
The area with water tables MOST at risk of being contaminated can be found in ______.
central Africa
southern Africa
north central Africa
north eastern Africa