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- 1. Multiple Choice
The diagram shows the river process of erosion. In a fast-flowing rive, water is forced into cracks in the bank. Over time this breaks the bank up. It is called _______________ .
Attrition
Hydraulic action
Solution
Abrasion
- 2. Multiple Choice
In the process of river transport, when small stones and pebbles are leaped or skipped along by the river current, this is called _____________ .
Suspension
Solution
Saltation
Traction
- 3. Multiple Choice
In the last river process of deposition, boulders, cobbles, pebbles, sand, silt and clay are deposited in that order because ____________________
it is in alphabetical order, and they have to follow their turn when getting of the river transporter.
bigger stones are less heavy than smaller pebbles
the river transporter has had enough of these hard cases.
the heaviest material are deposited out first, followed by the less heavy material and lastly the lightest material.
- 4. Multiple Choice
Looking at the long profile of the river's course, where does most erosion occur?
Upper course
Middle course
Lower course
The mouth
- 5. Multiple Choice
In the river process, ___________ is when material is worn away from the river bed and banks.
transport
deposition
erosion
- 6. Multiple Choice
In the river process, __________ is when material is dropped into the river channel.
Deposition
Erosion
Transport
- 7. Multiple Choice
In the river process, ____________ is when material is carried away along with the river flow, to another place.
erosion
deposition
transport
- 8. Multiple Choice
Looking at the river process of transport, when soluble material and minerals are dissolved into the water and carried along, this is called _______________ .
Saltation
Solution
Traction
Suspension
- 9. Multiple Choice
In the river process of erosion, when rocks and stones in the water act like sandpaper and scrape the river bed and bank, wearing them away, this is called ____________ .
Solution
Attrition
Hydraulic action
Abrasion
- 10. Multiple Choice
When the river reaches flatter land, it loses energy. So it drops or deposits its load. The deposited material is called ___________ .
Sediment
Solution
Suspension
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