Question
Describe how Lake Victoria was formed.
Answer
- Internal land-forming processes caused vertical earth movements which resulted in downwarping of a huge region.
- Downwarping led to the formation of a huge depression/basin.
- Uplifting of landmasses around the depression during the formation of the Mau Ranges and the Ruwenzori altered the drainage of the area.
- Some rivers from Kenya which flowed westwards were cut off and diverted into the depression.
- Some rivers in Uganda such as Katonga, Kafu, and Kagera were reversed to flow into the depression.
- Deposition of water into the depression caused further downwarping.
- The mass of water which accumulated formed Lake Victoria.
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