The longest river in the world is

1. River Orange
2. River Nile
3. River Zaire
4. River Niger

The southernmost point of South Africa

1. Cape Agulhas
2. Cape Seal
3. Cape St. Francis
4. Cape of Good Hope

A narrow stretch of land connecting two land masses and separating two water bodies.

1. Island
2. Peninsula
3. Cape
4. Isthmus

Africa is also known as

1. Mountain Continent
2. River Continent
3. Plateau continent
4. Plane continent