1  Where is the driest place on Earth — a place that has seen virtually no rainfall ever?
    A  The Atacama Desert in northern Chile 

2  What is the world's largest island?
    C  Greenland

3  What is the highest mountain on Earth—outside of Asia? (Which, given Asia's monopoly on towering peaks, makes this only the world's 68th highest mountain.)
    C  Aconcagua, Argentina

4  Although the following are all called seas, they are actually all lakes (landlocked bodies of water). Which of the following seas is the largest lake in the world.
    A  Caspian Sea

5  The deepest ocean depression is the Mariana Trench — more than seven miles down. In which ocean is it located?
    B  The Pacific Ocean

6  The world's largest archipelago is:
    A  Indonesia

7  The longest cave in the world has 345 miles of subterranean passageways. Which is cave it?
    B  Mammoth Cave, Kentucky, U.S.

8  After the Nile, which is the longest river in the world?
    C  The Amazon

9  The deadliest volcanic eruption occurred in 1815, killing 92,000 people. Which volcano erupted?
    C  Tambora, Indonesia

10  Which is the highest waterfall in the world?
    C  Yosemite, U.S.