| A | B |
| Which kind of vegetation covers much of Central Africa? | The |
| Which river is the longest in Central Africa? | answers |
| Zaire is the largest country in Central Africa. Which city is the capital of Zaire? | can |
| Which large island nation might a traveler come across while sailing along the east coast of Africa? | not |
| Across which ocean did Chinese traders travel to reach the Arabian Peninsula? | be |
| Which two seas were known as Roman lakes when they were controlled by the Roman Empire? | found |
| Which sea separates Britain from Scandinavia? | here |
| Which sea did traders from the Hanseatic League cross to reach Stockholm in Scandinavia from Danzig in northern Europe? | at |
| What are islands formed by coral reefs called? | this |
| What are the small bodies of water at the centers of atolls called? | time |