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6. What are the four types river transportation?
- Kayaking, Canoeing, Rowing, Swimming
- Traction, Saltation, Suspension, Solution
- Saltation, Deposition, Abrasion, Corasion
7. Afforestation is example of:
- Soft engineering
- Hard engineering
8. Levees are natural embankments along the edges of a river channel
9. Impermable rock increases river discharge
10. The examples of hard engineering are:
- Do nothing
- Dam building, diverting a channel
- Flood warnings and preparations
- Flood plain zoning, planting trees