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Norma-Jean [14]
3 years ago
12

How does a sinkhole form?

Geography
2 answers:
Maksim231197 [3]3 years ago
5 0
<span>Sinkholes are formed when the land surface above collapses or sinks into the cavities or when surface material is carried downward into the voids.</span>
kkurt [141]3 years ago
4 0
Sinkholes mainly occur in what is known as ‘karst terrain’; areas of land where soluble bedrock (such as limestone or gypsum) can be dissolved by water. With cover-subsidence sinkholes, the bedrock becomes exposed and is gradually worn down over time, with the holes often becoming ponds as the water fills them in.
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