Karst (Limestone) Topography - SS3 Geography Past Questions and Answers - page 2
11
What do stalactites and stalagmites commonly form in karst caves?
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A
Ice formations
B
Underground lakes
C
Calcium deposits
D
Sedimentary rocks
12
Which of the following is not a characteristic feature of karst topography?
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A
Sand dunes
B
Sinkholes
C
Caves
D
Resurgence springs
13
What happens to rivers and streams in karst regions as they flow through underground conduits?
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A
They dry up completely
B
They become wider and deeper
C
They turn into waterfalls
D
They freeze during winter
14
Poljes are known for their:
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A
Tower-like structures
B
Flat-bottomed depressions
C
High plateaus
D
Volcanic craters
15
Which type of rock is not primarily responsible for forming karst topography?
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A
Dolomite
B
Gypsum
C
Granite
D
Limestone
16
Explain the geological process that leads to the formation of sinkholes in karst regions.
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17
How do karst valleys differ from valleys formed by other geological processes, and what are their characteristics?
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18
Describe the ecological significance of karst regions and their impact on biodiversity.
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19
What are the main factors that influence the development of tower karst formations in certain karst regions like those in China?
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20
Discuss the role and importance of resurgence springs in karst landscapes and the potential challenges they pose for water management.
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