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100

The Nile River is located on which continent

What is Africa

100

The Yellow River takes its name from the 

What is silt that flows in the river

100

On this river, people have built a great dam, in part because of the river's long history of flooding.

What is the Yangtze River

100

When a dam is built, which of the following things results?

What is a reservoir

100

An unusual feature of the Ganges River is that it 

What is considered holy by Hindu people.

200

Which of the following could you see from a boat on the Nile River

What are ancient pyramids

200

The Murray and Darling Rivers combine to form a 

What is a drainage basin.

200

Being a river pilot on the Mississippi River is especially difficult because

What is the river changes all the time.

200

Samuel Langhorne Clemens, or Mark Twain, wrote about these people.

What is river pilots along the Mississippi River.

200

Special dangers in navigating the Ob River, which empties into the Arctic Ocean, are

What is freezing temperatures and ice.

300

A key feature that the Nile River and the Yellow River share is that they

What is providing irrigation to surrounding fields

300

For the Murray River, a small trickle of water near Mount Kosciuszko, high in the Australian mountains, is the location of the river's

What is source.

300

You might hear a warning about piranhas if you were taking a boat tour of this river in South America.

What is the Amazon River.

300

Which statement about the Amazon River is correct?

What is it carries the most water of any river in the world.

300

The Amazon River flows through this type of surrounding environment.

What is a lush rainforest.

400

A visitor to the Mackenzie River in the Northern Hemisphere might see this wildlife.

What is migrating birds

400

Boats traveling on the Congo River switch their cargo to railroad cars to help avoid this type of danger on the river.

What is rapids

400

The Yukon River played a big part in this era of history.

What is the search for gold in the Klondike.

400

The Rhine River and the Danube River share this feature.

What is they both have their source in the central part of Europe.

400

The River Niger was key to the growth of the 

What is city of Timbuktu in Africa.

500

Watering of crops by moving water from a well, a river, or a lake to a place where it does not rain enough to grow crops.

What is irrigation.

500

A stream or smaller river that flows into a larger river.

What is tributary.

500

a society, or group of people, with similar religious beliefs, customs, language, and form of government.

What is civilization.

500

A buildup of sand formed by the movement of flowing water.

What is sandbar.

500

The place where a river empties into a sea or other large body of water.

What is mouth.