Stair Hole in Dorset, England, is made predominantly of limestone, which has been eroded over time due to the action of the sea. Limestone is a sedimentary rock formed from the accumulation of marine organisms.
somehow
Black hole tunnel is formed by strong electromagnetic waves moving in a rythmic way.
A hole is formed in the ozone by CFC's. It is not actually a hole but less concentration.
A hole in space-time is formed by A dead star that collapses
A cavity !
A black hole does not create a star. A black hole is formed when a star dies.
Ozone hole is formed in late winters and early spring. It is because of the low temperatures.
The ozone hole is the thinning of ozone layer. It is formed due to use of CFC's.
go up a few stair cases then drop though a certain hole( i forget which one) then continue going up since now u can reach stair cases that are blocked. you might need a mach bike
no one really knows
it was a sink hole that how it was formed