A major tributary of the Mississippi which flowes through Colorodo, Kansas, Oklahoma, and Arkansas.
What is the Arkansas River?
100
Located on the Horn of Africa.
What are the Ethiopian Highlands?
100
Mountains that run north to south in Western Russia and divide Asia from Europe.
What are the Urals?
100
The longest river in North America and a major waterway of the central US.
What is the Missouri River?
100
Mountains in California and Nevada.
What are the Sierra Nevadas?
200
Largest river of central California which starts in the Sierra Nevadas.
What is the Joaquin River?
200
The range running through 18 US states on the eastern part of North America.
What are the Appalachian Mountains?
200
A long mountain range running from Venezuela to Chile along the Pacific coastline.
What are the Andes?
200
A river that originates in northeastern Georgia in the Blue Ridge Mountains which are part of the Appalachian Range and flows through Georgia and Florida into the Gulf of Mexico.
What is the Chattahoochee River?
200
Source of the Mississippi and the state.
What is Lake Itasca in Minnesoto?
300
The principal river in the southwestern part of the US and northwest Mexico.
What is the Colorado River?
300
Mountain range in northeast China.
What is the Greater Khingam Range?
300
Forms part of the Mexico-United States border and flows from southwestern Colorado to the Gulf of Mexico.
What is the Rio Grande River?
300
Mountains found in South Africa and Lesotho.
What are the Drakenburg Mountains?
300
Longest river in New England that forms the natural border of New Hampshire and Vermont; flows through Massachusettes, Connecticut and into the Long Island Sound.
What is the Connecticut River?
400
The longest tributary of the Columbia River which originates in Wyoming near Yellowstone National Park. It travels through Idaho, Oregon, and Washington as well as a small bit of Utah and Nevada before joining the Colombia River in Washington and emptying into the Pacific Ocean.
What is the Snake River?
400
Creates the second largest river basin in the Great Plains and flows through the Texas panhandle and acts as the border between Texas and Oklahoma.
What is the Red River?
400
River running through Nebraska.
What is the Platte River?
400
Mountains located in western Siberia.
What is the Verkhoyansk range?
400
Mountains that run through Algeria, Morocco and Tunisia in northwestern Africa.
What are the Atlas Mountains?
500
Natural border between the Iberian Peninsula (Spain/Portugal) and France.
What are the Pyrenees Mountains?
500
Mountain range that runs through France, Switzerland, Austria, Italy, Germany Liechtenstein and Slovenia.
What are the Alps?
500
It is the longest tributary of the Ohio River, located in southeastern US and was once known as the Cherokee River.
What is the Tennessee River?
500
Largest tributary of the Mississippi which flows through Ohio, West Virginia, Kentucky, Indiana and Illinois before emptying into the Mississippi River at Cairo, Illinois.