This is the process of watering crops by moving water.
What is irrigation?
Samuel Clemens (Mark Twain) wrote about these.
Who are river pilots along the Mississippi?
Paraguay is cut off from the seacoast and is surrounded by land, also known as this vocabulary word.
What is landlocked?
This is where a river starts.
What is the source?
The Amazon River flows through this type of environment.
What is a rainforest?
This is a stream or smaller river that flows into a larger river.
What is a tributary?
The Yukon era played a large part in this era.
What is the search for gold in the Klondike?
The Nile river is located on this continent.
What is Africa?
This is the land created by silt deposits at the mouth of a river.
What is a delta?
What is irrigation?
What is a civilization?
This is what the Yellow River gets its name from.
What is stilt?
The Niger River was the key to the growth of this city.
What is Timbuktu in Africa?
This means to move to a different place.
What is to migrate?
The Amazon river carries more of this than any river in the world.
What is water?
What is a sandbar?
When a dam is built, this forms behind it.
What is a reservoir?
This river has a great dam, partially because of the river's long history of flooding.
What is the Yangtze River?
This is a channel dug by people that connects 2 bodies of water.
What is a canal?
These people consider the Ganges holy.
What are Hindu people?
This is the place where the water empties into the sea or other large body of water.
What is the mouth?
This is one of the dangers navigating the Ob river.
What is ice and freezing temperatures?
What is a source?
This is a place on a river where the water moves swiftly and violently.
What are rapids?
The Rhine and Danube rivers share this feature.
What is a source in central Europe?