Answer: C. It is located in the Great Rift Valley
The Lake Victoria is located in the Great Rift Valley. Among the choices given above, that statement is the most accurate. The Nile River is among the many bodies of water that originates in Lake Victoria.
It keeps us from flying into outerspace.
The polar ice capes, the change in genetics of certain animal fossils (growing more or less hair, etc. etc.)
The answer is B. Mountains.