1.  Longest river in North America:

A.  Orange 

B.  Missouri 

C.  Yukon 

2.  Highest mountain in Norh America:

A.  K2

B.  Mount Logan

C.  Mount McKinley 

3.  Largest city in North America:

A.  Johannesburg 

B.  New York

C.  Mexico City 

4.  Third largest continent in the world is:

A.  North America

B.  Africa

C.  Europe 

5.  Largest island in North America:

A.  Kodiak Island 

B.  Madagascar 

C.  Hawaii 

6.  Largest forest in North America:

A.  Congo

B.  Tongass

C.  Superior 

7.  Largest desert in North America:

A.  Sahara 

B.  Kalahari 

C.  Great Basin Desert

8.  The longest coastline in North America:

A.  Greenland

B.  Canada

C.  United States

9.  Largest lake in North America:

A.  Lake Ontario 

B.  Lake Michigan 

C.  Lake Superior 

10.  Largest canyon in North America:

A.  Blyde River Canyon

B.  Copper Canyon 

C.  Grand Canyon