Because of the rapid changing water levels the plant life on the shores are drowning out so they can not grow.
Hope this help. :D
The answer is B. Lake Victoria. If you look at a physical map of Africa, you will get this answer. The Great Rift Valley is through the center of Djibouti. The Indian Ocean is east of INDIA, not even close to Africa. I hope this helps!
Sand, silt, clay
Soils can vary and be like loamy sand, sandy clay, silty clay, etc too
