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1
What is often built along a river to control excess water?
Dams
Bridges
Canals
Levees
45% got this right
Dams help control and slowly release excess water.
2
What can be stored in a reservoir behind a dam?
Water
Air
Gravel
Sand
72% got this right
Reservoirs store water for controlled release.
3
Which country is situated on the river Ganges delta?
Bangladesh
India
Myanmar
Nepal
54% got this right
The Ganges Delta is a region in West Bengal state, India, and Bangladesh.
4
Which present-day country is prone to flooding due to its location on the Ganges delta?
32% got this right
Bangladesh is frequently affected by floods.
5
What is a common cause of flooding?
Heavy rain
Drought
Earthquakes
Volcanoes
81% got this right
Heavy rain can cause rivers to overflow.
6
What type of flooding develops slowly over time?
Gradual flooding
Flash flooding
Tidal flooding
Urban flooding
46% got this right
Gradual flooding develops over time.
7
Which city in Japan is built on a floodplain?
Tokyo
Hiroshima
Kyoto
Osaka
29% got this right
Tokyo is surrounded by five large rivers.
8
Which present-day country often experiences coastal surges on its east coast?
59% got this right
England faces flash flooding along river channels.
9
What is the positive impact of flooding?
Fertile soil
Destruction
Drought
Pollution
62% got this right
Flooding can make soil fertile for farming.
10
What happens when a river bursts its banks?
Flooding
Drought
Erosion
Sedimentation
57% got this right
Flooding occurs when rivers overflow.
11
What is a flash flood?
Sudden flooding
Drought
Gradual flooding
Tidal wave
71% got this right
Flash floods occur quickly and unexpectedly.
12
What is a common effect of climate change on flooding?
Increased rainfall
Decreased rainfall
Less moisture
Stable sea levels
66% got this right
Warmer air holds more moisture, increasing rainfall.
