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What percentage of the area is delta land?
80%
How far above sea level is most of the region?
1m
What two rivers meet?
Ganges
Brahmaputra
What mountains do these rivers erode?
The Himalayas
How much alluvial sediment is deposited?
1,820 million tonnes
The amount of alluvial sediment is twice as much as the annual load of which rivers together?
Amazon
Nile
Mississippi
How much of Bangladesh lies underwater?
10%
To what percentage does the submerged area of Bangladesh increase to in the summer?
25%
Why does the increase in the percentage of Bangladesh submerged occur?
It is flooded by monsoon rains and swollen rivers
What are the "good" floods called?
Barsha
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