Geography
The major drainage system of North America with river Ohio as its major tributary
- Mississippi
- Colorado
- St. Lawrence
- Mackenzie
Related Questions
Isthmus of Panama connects North America to South America in the
- East
- South
- West
- North
The country not a part of Central America
- Mexico
- Costa Rica
- Panama
- Belize
Niagara Falls is on this river
- St. Lawrence
- Mississippi
- Mackenzie
- Colorado
It covers the Eastern and northeastern part of North America
- Central lowlands
- Canadian Shield
- Western Cordilleras
- Eastern Highlands