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Assessment
What is the primary source of energy driving river ecosystems?
Solar energy
Geothermal energy
Nuclear energy
Wind energy
Which of the following is a primary factor that affects the flow of a river?
The color of the river bank
The gradient of the riverbed
The amount of rain in the surrounding area
The temperature of the air
What is the term for the area where a river meets a larger body of water?
Estuary
Confluence
Source
Delta
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