1. Both the highest and lowest points on Earth are in Asia.

2. Earth has three south poles.

3. Latitude measures the distances of the Earth from north to south and south to north.

4. If it is summer in the Southern Hemisphere, it is summer in the Northern Hemisphere, too.

5. Most earthquakes occur on dry land.

6. About 10 percent of Earth’s land surface is protected from development.

7. Earth’s largest geological feature lies underwater.

8. The smallest range of temperature is found in the tropics.

9. The world’s annual average rainfall is less than 1 meter.