A sinkhole, also known as a cenote, sink, sink-hole, shakehole, swallet, swallow
hole, or doline is a depression or hole in the ground ...
www.ask.com/youtube?q=How Are Sinkholes Formed?&v=tQvv8YFCGsY
Mar 2, 2013 ... Sinkholes are eating up buildings! You've seen 'em on the news, maybe even in
your own neighborhoods... but what exactly causes them in ...
As the limestone dissolves, pores and cracks are enlarged and carry even more
acidic water. Sinkholes are formed when the land surface above collapses or ...
Mar 4, 2013 ... A Florida man whose bedroom was engulfed by a sinkhole as he slept is
presumed dead. But how do these sinkholes form?
Sinkholes are pits in the ground that form in areas where water gathers without
external drainage. ... Humans are also responsible for the formation of sinkholes.
Aug 13, 2013 ... Get the science behind sinkholes and which areas are more prone to them. ...
Sometimes in karst areas [irregular landscapes formed when ...
Picture of a sinkhole that formed below part of a house. A sinkhole is an area of
ground that has no natural external surface drainage--when it rains, all of the ...
Jan 9, 2016 ... The most impressive sinkholes form in thick layers of homogenous limestone.
Their formation is facilitated by high groundwater flow, often ...
Jun 1, 2010 ... Like all sinkholes, the one in Guatamala City formed when a swath of land
collapsed, leaving behind a crater-like depression in the ground.
Mar 15, 2014 ... Located in Green County, east of Bowling Green, Ky., this sinkhole formed about
eight years ago; the owners of the farmland where it formed ...