| A | B |
|---|
| largest ocean | Pacific |
| second largest ocean | Atlantic |
| warmest ocean | Indian |
| smallest and coldest ocean | Arctic |
| largest and most populous continent | Asia |
| most populous hemisphere | Eastern |
| largest country | Russia |
| most populous country | China |
| largest lake | Caspian Sea |
| largest freshwater lake | Lake Superior |
| longest river | Nile |
| largest river in volume | Amazon |
| most mountainous continent | Asia |
| highest mountain system | Himalayas |
| highest mountain | Mt. Everest |
| largest desert | Sahara |
| coldest desert | Gobi |
| earth's diameter | 8000 miles |
| earth's circumference | 25,000 miles |
| percent of the earth's surface covered by water | 70 |
| fraction of the earth's land surface covered by mountains | 1/5 |
| fraction of the earth's land surface covered by desert | 1/5 |
| the only continent that does not have a large desert | Europe |
| largest island | Greenland |
