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If you are referring to sink holes, they form when groundwater makes the ground unstable and it collapses.
Wiki User
∙ 8y ago
Wiki User
∙ 12y agoA swallow hole is the equililant to a robins nest except that it is a hole in the ground and not made out of small sticks.
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How were the Mendip hills formed?
big crack holes
What name is given to a underground hole formed by the dissolving of limestone by rainwater?
A swallow hole, i hope that was a good help for you. :-)
What does obsidain's glassy texture indicate about how magma cooled?
It cooled quickly so no holes formed in it.
Why do pumice and scoria have holes in them?
Pumice is acutally a volcanic rock. after the volcano erupts, the lava cools. It's mixed with water and cools very fast, which causes the water and air in the lava to be expelled quickly, causing holes.
Why do holes form in some extrusive rock?
the holes in extrusive igneous rocks (lava) are called vesicles. They are formed by gas escaping from the rock when molten, leaving bubbles in the melt which which may be preserved when the lava solidifies
How is a swallow hole formed?
Swallow holes are also known as sink holes or sluggas. They are openings in the beds of rivers which occur when the surface river flows over an opening and then disappears underground through this swallow hole.
What is the area of Water End Swallow Holes?
The area of Water End Swallow Holes is 113,000.0 square meters.
How do sink holes effect people?
They swallow up your house
How is swallow hole formed?
no one really knows
How are swallow holes made?
the nests? they're made up of mostly mud
Do supermassive black holes swallow quasars?
No, a supermassive black hole is what makes a quasar.
What happens when three super black holes meet?
the more massive will swallow the smaller
Was the earth formed by black holes scattered throughout the galaxy?
No. Earth was formed by the accretion of material in the protoplanetary disk around the newly formed sun. Black holes were not involved.
What will happen if two black holes collide each other?
if two black holes collide, they swallow eachother making one giant blackhole
How are Aquifers formed?
Aquifers are formed when water chips away at the limestone causing holes to appear. The water then flows through the holes making them bigger.
How are swallow holes created?
people eat the limestone and live in the underground cavern's :) ... actual lol
What breed is the Swallow-Bellied Mangalitza pig from?
The Swallow-bellied Mangalitsa was formed by breeding the Blonde Mangalitsa with the Syrmian (Szerémség) breed.
